373938881 has 2 divisors, whose sum is σ = 373938882. Its totient is φ = 373938880.

The previous prime is 373938839. The next prime is 373938889. The reversal of 373938881 is 188839373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270306481 + 103632400 = 16441^2 + 10180^2 .

It is a cyclic number.

It is not a de Polignac number, because 373938881 - 2¹⁰ = 373937857 is a prime.

It is a super-2 number, since 2×373938881² = 279660573447064322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (373938889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186969440 + 186969441.

It is an arithmetic number, because the mean of its divisors is an integer number (186969441).

Almost surely, 2^373938881 is an apocalyptic number.

It is an amenable number.

373938881 is a deficient number, since it is larger than the sum of its proper divisors (1).

373938881 is an equidigital number, since it uses as much as digits as its factorization.

373938881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 373938881 is about 19337.4993471235. The cubic root of 373938881 is about 720.4439655124.

The spelling of 373938881 in words is "three hundred seventy-three million, nine hundred thirty-eight thousand, eight hundred eighty-one".