340504146 has 12 divisors (see below), whose sum is σ = 737759022. Its totient is φ = 113501376.

The previous prime is 340504079. The next prime is 340504159. The reversal of 340504146 is 641405043.

It can be written as a sum of positive squares in only one way, i.e., 253287225 + 87216921 = 15915^2 + 9339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9458431 + ... + 9458466.

Almost surely, 2^340504146 is an apocalyptic number.

340504146 is an abundant number, since it is smaller than the sum of its proper divisors (397254876).

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

340504146 is a wasteful number, since it uses less digits than its factorization.

340504146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18916905 (or 18916902 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 340504146 is about 18452.7544285399. The cubic root of 340504146 is about 698.2980052240.

Adding to 340504146 its reverse (641405043), we get a palindrome (981909189).

The spelling of 340504146 in words is "three hundred forty million, five hundred four thousand, one hundred forty-six".