336377921 has 16 divisors (see below), whose sum is σ = 384583680. Its totient is φ = 291226320.

The previous prime is 336377857. The next prime is 336377927. The reversal of 336377921 is 129773633.

It is not a de Polignac number, because 336377921 - 2⁶ = 336377857 is a prime.

It is a super-2 number, since 2×336377921² = 226300211472564482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (336377927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57686 + ... + 63248.

It is an arithmetic number, because the mean of its divisors is an integer number (24036480).

Almost surely, 2^336377921 is an apocalyptic number.

It is an amenable number.

336377921 is a deficient number, since it is larger than the sum of its proper divisors (48205759).

336377921 is a wasteful number, since it uses less digits than its factorization.

336377921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836.

The product of its digits is 142884, while the sum is 41.

The square root of 336377921 is about 18340.6085231652. The cubic root of 336377921 is about 695.4658788289.

The spelling of 336377921 in words is "three hundred thirty-six million, three hundred seventy-seven thousand, nine hundred twenty-one".