354072646 has 8 divisors (see below), whose sum is σ = 532064160. Its totient is φ = 176717928.

The previous prime is 354072643. The next prime is 354072659. The reversal of 354072646 is 646270453.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354072643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157806 + ... + 160033.

It is an arithmetic number, because the mean of its divisors is an integer number (66508020).

Almost surely, 2^354072646 is an apocalyptic number.

354072646 is a deficient number, since it is larger than the sum of its proper divisors (177991514).

354072646 is a wasteful number, since it uses less digits than its factorization.

354072646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318398.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 354072646 is about 18816.8181688616. The cubic root of 354072646 is about 707.4527821252.

The spelling of 354072646 in words is "three hundred fifty-four million, seventy-two thousand, six hundred forty-six".