345394641 has 16 divisors (see below), whose sum is σ = 464788800. Its totient is φ = 228141888.

The previous prime is 345394639. The next prime is 345394697. The reversal of 345394641 is 146493543.

It is not a de Polignac number, because 345394641 - 2¹ = 345394639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345394641.

It is not an unprimeable number, because it can be changed into a prime (345394631) 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, 169215 + ... + 171243.

It is an arithmetic number, because the mean of its divisors is an integer number (29049300).

Almost surely, 2^345394641 is an apocalyptic number.

It is an amenable number.

345394641 is a deficient number, since it is larger than the sum of its proper divisors (119394159).

345394641 is a wasteful number, since it uses less digits than its factorization.

345394641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

The product of its digits is 155520, while the sum is 39.

The square root of 345394641 is about 18584.7959633675. The cubic root of 345394641 is about 701.6252311679.

The spelling of 345394641 in words is "three hundred forty-five million, three hundred ninety-four thousand, six hundred forty-one".