340749656 has 32 divisors (see below), whose sum is σ = 689018400. Its totient is φ = 157048320.

The previous prime is 340749631. The next prime is 340749677. The reversal of 340749656 is 656947043.

It is a super-2 number, since 2×340749656² = 232220656128236672, which contains 22 as substring.

It is a congruent number.

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, 89765 + ... + 93483.

It is an arithmetic number, because the mean of its divisors is an integer number (21531825).

Almost surely, 2^340749656 is an apocalyptic number.

It is an amenable number.

340749656 is an abundant number, since it is smaller than the sum of its proper divisors (348268744).

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

340749656 is a wasteful number, since it uses less digits than its factorization.

340749656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619 (or 4615 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 340749656 is about 18459.4056242340. The cubic root of 340749656 is about 698.4657936422.

The spelling of 340749656 in words is "three hundred forty million, seven hundred forty-nine thousand, six hundred fifty-six".