345800437 has 16 divisors (see below), whose sum is σ = 385761600. Its totient is φ = 308568960.

The previous prime is 345800431. The next prime is 345800449. The reversal of 345800437 is 734008543.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 345800437 - 2¹⁹ = 345276149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345800431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14938 + ... + 30244.

It is an arithmetic number, because the mean of its divisors is an integer number (24110100).

Almost surely, 2^345800437 is an apocalyptic number.

It is an amenable number.

345800437 is a deficient number, since it is larger than the sum of its proper divisors (39961163).

345800437 is a wasteful number, since it uses less digits than its factorization.

345800437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15396.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 345800437 is about 18595.7101773500. The cubic root of 345800437 is about 701.8998979297.

The spelling of 345800437 in words is "three hundred forty-five million, eight hundred thousand, four hundred thirty-seven".