345863616 has 56 divisors (see below), whose sum is σ = 1045829760. Its totient is φ = 98817792.

The previous prime is 345863611. The next prime is 345863633. The reversal of 345863616 is 616368543.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345863611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127326 + ... + 130013.

Almost surely, 2^345863616 is an apocalyptic number.

It is an amenable number.

345863616 is an abundant number, since it is smaller than the sum of its proper divisors (699966144).

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

345863616 is a wasteful number, since it uses less digits than its factorization.

345863616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257361 (or 257351 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 345863616 is about 18597.4088517729. The cubic root of 345863616 is about 701.9426418830.

The spelling of 345863616 in words is "three hundred forty-five million, eight hundred sixty-three thousand, six hundred sixteen".