345564404 has 6 divisors (see below), whose sum is σ = 604737714. Its totient is φ = 172782200.

The previous prime is 345564403. The next prime is 345564449. The reversal of 345564404 is 404465543.

It can be written as a sum of positive squares in only one way, i.e., 194323600 + 151240804 = 13940^2 + 12298^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345564403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43195547 + ... + 43195554.

It is an arithmetic number, because the mean of its divisors is an integer number (100789619).

Almost surely, 2^345564404 is an apocalyptic number.

It is an amenable number.

345564404 is a deficient number, since it is larger than the sum of its proper divisors (259173310).

345564404 is a wasteful number, since it uses less digits than its factorization.

345564404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86391105 (or 86391103 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 345564404 is about 18589.3626571757. The cubic root of 345564404 is about 701.7401629792.

The spelling of 345564404 in words is "three hundred forty-five million, five hundred sixty-four thousand, four hundred four".