354498730 has 8 divisors (see below), whose sum is σ = 638097732. Its totient is φ = 141799488.

The previous prime is 354498719. The next prime is 354498763. The reversal of 354498730 is 37894453.

It can be written as a sum of positive squares in 2 ways, for example, as 322813089 + 31685641 = 17967^2 + 5629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×354498730² = 251338699143225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17724927 + ... + 17724946.

Almost surely, 2^354498730 is an apocalyptic number.

354498730 is a deficient number, since it is larger than the sum of its proper divisors (283599002).

354498730 is a wasteful number, since it uses less digits than its factorization.

354498730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35449880.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 354498730 is about 18828.1366576727. The cubic root of 354498730 is about 707.7364465860.

The spelling of 354498730 in words is "three hundred fifty-four million, four hundred ninety-eight thousand, seven hundred thirty".