354405644 has 6 divisors (see below), whose sum is σ = 620209884. Its totient is φ = 177202820.

The previous prime is 354405619. The next prime is 354405731. The reversal of 354405644 is 446504453.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44300702 + ... + 44300709.

It is an arithmetic number, because the mean of its divisors is an integer number (103368314).

Almost surely, 2^354405644 is an apocalyptic number.

It is an amenable number.

354405644 is a deficient number, since it is larger than the sum of its proper divisors (265804240).

354405644 is a wasteful number, since it uses less digits than its factorization.

354405644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88601415 (or 88601413 counting only the distinct ones).

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

The square root of 354405644 is about 18825.6645035441. The cubic root of 354405644 is about 707.6744942041.

The spelling of 354405644 in words is "three hundred fifty-four million, four hundred five thousand, six hundred forty-four".