354406746 has 32 divisors (see below), whose sum is σ = 722649600. Its totient is φ = 115839920.

The previous prime is 354406739. The next prime is 354406777. The reversal of 354406746 is 647604453.

It is a happy number.

It is a super-2 number, since 2×354406746² = 251208283220617032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172795 + ... + 174833.

It is an arithmetic number, because the mean of its divisors is an integer number (22582800).

Almost surely, 2^354406746 is an apocalyptic number.

354406746 is an abundant number, since it is smaller than the sum of its proper divisors (368242854).

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

354406746 is a wasteful number, since it uses less digits than its factorization.

354406746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 354406746 is about 18825.6937720765. The cubic root of 354406746 is about 707.6752276917.

The spelling of 354406746 in words is "three hundred fifty-four million, four hundred six thousand, seven hundred forty-six".