345896478 has 24 divisors (see below), whose sum is σ = 760630728. Its totient is φ = 113577552.

The previous prime is 345896477. The next prime is 345896479. The reversal of 345896478 is 874698543.

345896478 is a `hidden beast` number, since 34 + 58 + 96 + 478 = 666.

It is an interprime number because it is at equal distance from previous prime (345896477) and next prime (345896479).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345896477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142201 + ... + 144612.

It is an arithmetic number, because the mean of its divisors is an integer number (31692947).

Almost surely, 2^345896478 is an apocalyptic number.

345896478 is an abundant number, since it is smaller than the sum of its proper divisors (414734250).

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

345896478 is a wasteful number, since it uses less digits than its factorization.

345896478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286888 (or 286885 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 345896478 is about 18598.2923409651. The cubic root of 345896478 is about 701.9648727157.

The spelling of 345896478 in words is "three hundred forty-five million, eight hundred ninety-six thousand, four hundred seventy-eight".