336902981 has 4 divisors (see below), whose sum is σ = 337075200. Its totient is φ = 336730764.

The previous prime is 336902971. The next prime is 336902989. The reversal of 336902981 is 189209633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 189209633 = 1163 ⋅162691.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-336902981 is a prime.

It is a super-2 number, since 2×336902981² = 227007237213372722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336902989) 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, 83141 + ... + 87098.

It is an arithmetic number, because the mean of its divisors is an integer number (84268800).

Almost surely, 2^336902981 is an apocalyptic number.

It is an amenable number.

336902981 is a deficient number, since it is larger than the sum of its proper divisors (172219).

336902981 is a wasteful number, since it uses less digits than its factorization.

336902981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172218.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 336902981 is about 18354.9170796275. The cubic root of 336902981 is about 695.8275469210.

The spelling of 336902981 in words is "three hundred thirty-six million, nine hundred two thousand, nine hundred eighty-one".