340743546 has 144 divisors (see below), whose sum is σ = 924955200. Its totient is φ = 89556480.

The previous prime is 340743509. The next prime is 340743547. The reversal of 340743546 is 645347043.

It is a happy number.

340743546 is a `hidden beast` number, since 3 + 40 + 74 + 3 + 546 = 666.

340743546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×340743546² = 232212328281308232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340743546.

It is not an unprimeable number, because it can be changed into a prime (340743547) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 568555 + ... + 569153.

It is an arithmetic number, because the mean of its divisors is an integer number (6423300).

Almost surely, 2^340743546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340743546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462477600).

340743546 is an abundant number, since it is smaller than the sum of its proper divisors (584211654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340743546 is a wasteful number, since it uses less digits than its factorization.

340743546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 340743546 is about 18459.2401252056. The cubic root of 340743546 is about 698.4616188749.

The spelling of 340743546 in words is "three hundred forty million, seven hundred forty-three thousand, five hundred forty-six".