3792920321 has 8 divisors (see below), whose sum is σ = 3816888480. Its totient is φ = 3768983392.

The previous prime is 3792920279. The next prime is 3792920333. The reversal of 3792920321 is 1230292973.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3792920321 is a prime.

It is a super-2 number, since 2×3792920321² = 28772489122909486082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3792320321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265661 + ... + 279573.

It is an arithmetic number, because the mean of its divisors is an integer number (477111060).

Almost surely, 2^3792920321 is an apocalyptic number.

It is an amenable number.

3792920321 is a deficient number, since it is larger than the sum of its proper divisors (23968159).

3792920321 is a wasteful number, since it uses less digits than its factorization.

3792920321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15615.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3792920321 is about 61586.6894791399. The cubic root of 3792920321 is about 1559.5210453004.

The spelling of 3792920321 in words is "three billion, seven hundred ninety-two million, nine hundred twenty thousand, three hundred twenty-one".