340394572 has 90 divisors (see below), whose sum is σ = 737301628. Its totient is φ = 137457936.

The previous prime is 340394569. The next prime is 340394591. The reversal of 340394572 is 275493043.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5080483 + ... + 5080549.

Almost surely, 2^340394572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340394572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368650814).

340394572 is an abundant number, since it is smaller than the sum of its proper divisors (396907056).

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

340394572 is an equidigital number, since it uses as much as digits as its factorization.

340394572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 340394572 is about 18449.7851478005. The cubic root of 340394572 is about 698.2230932486.

The spelling of 340394572 in words is "three hundred forty million, three hundred ninety-four thousand, five hundred seventy-two".