2401931 has 6 divisors (see below), whose sum is σ = 2794140. Its totient is φ = 2058756.

The previous prime is 2401897. The next prime is 2401939. The reversal of 2401931 is 1391042.

It is not a de Polignac number, because 2401931 - 2¹⁰ = 2400907 is a prime.

It is a super-2 number, since 2×2401931² = 11538545057522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2401939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24461 + ... + 24558.

It is an arithmetic number, because the mean of its divisors is an integer number (465690).

2^2401931 is an apocalyptic number.

2401931 is a deficient number, since it is larger than the sum of its proper divisors (392209).

2401931 is an equidigital number, since it uses as much as digits as its factorization.

2401931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49033 (or 49026 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2401931 is about 1549.8164407439. The cubic root of 2401931 is about 133.9224880301.

Adding to 2401931 its reverse (1391042), we get a palindrome (3792973).

The spelling of 2401931 in words is "two million, four hundred one thousand, nine hundred thirty-one".