3374331921 has 45 divisors (see below), whose sum is σ = 5257105581. Its totient is φ = 2085627456.

The previous prime is 3374331907. The next prime is 3374331943. The reversal of 3374331921 is 1291334733.

It is a happy number.

The square root of 3374331921 is 58089.

It is a perfect power (a square), and thus also a powerful number.

3374331921 is a `hidden beast` number, since 3 + 37 + 433 + 192 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1047234321 + 2327097600 = 32361^2 + 48240^2 .

It is not a de Polignac number, because 3374331921 - 2²³ = 3365943313 is a prime.

It is a super-2 number, since 2×3374331921² = 22772231826159100482, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3374331901) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 50363130 + ... + 50363196.

Almost surely, 2^3374331921 is an apocalyptic number.

3374331921 is the 58089-th square number.

3374331921 is the 29045-th centered octagonal number.

It is an amenable number.

3374331921 is a deficient number, since it is larger than the sum of its proper divisors (1882773660).

3374331921 is an frugal number, since it uses more digits than its factorization.

3374331921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 87 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The cubic root of 3374331921 is about 1499.9010188020.

Multiplying 3374331921 by its sum of digits (36), we get a square (121475949156 = 348534²).

The spelling of 3374331921 in words is "three billion, three hundred seventy-four million, three hundred thirty-one thousand, nine hundred twenty-one".