340655394 has 16 divisors (see below), whose sum is σ = 685077120. Its totient is φ = 112924080.

The previous prime is 340655387. The next prime is 340655423. The reversal of 340655394 is 493556043.

It is a super-2 number, since 2×340655394² = 232092194922590472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155754 + ... + 157925.

It is an arithmetic number, because the mean of its divisors is an integer number (42817320).

Almost surely, 2^340655394 is an apocalyptic number.

340655394 is an abundant number, since it is smaller than the sum of its proper divisors (344421726).

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

340655394 is a wasteful number, since it uses less digits than its factorization.

340655394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313865.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 340655394 is about 18456.8522234968. The cubic root of 340655394 is about 698.4013818827.

The spelling of 340655394 in words is "three hundred forty million, six hundred fifty-five thousand, three hundred ninety-four".