10401939 has 20 divisors (see below), whose sum is σ = 15838416. Its totient is φ = 6800976.

The previous prime is 10401931. The next prime is 10401953. The reversal of 10401939 is 93910401.

It is not a de Polignac number, because 10401939 - 2³ = 10401931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10401931) 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 19 ways as a sum of consecutive naturals, for example, 3082 + ... + 5504.

Almost surely, 2^10401939 is an apocalyptic number.

10401939 is a deficient number, since it is larger than the sum of its proper divisors (5436477).

10401939 is an equidigital number, since it uses as much as digits as its factorization.

10401939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10401939 is about 3225.2037144962. The cubic root of 10401939 is about 218.2921412231.

The spelling of 10401939 in words is "ten million, four hundred one thousand, nine hundred thirty-nine".