2031404 has 12 divisors (see below), whose sum is σ = 3742200. Its totient is φ = 962208.

The previous prime is 2031397. The next prime is 2031409. The reversal of 2031404 is 4041302.

It is a super-2 number, since 2×2031404² = 8253204422432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2031409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13289 + ... + 13440.

It is an arithmetic number, because the mean of its divisors is an integer number (311850).

2^2031404 is an apocalyptic number.

It is an amenable number.

2031404 is a deficient number, since it is larger than the sum of its proper divisors (1710796).

2031404 is a wasteful number, since it uses less digits than its factorization.

2031404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26752 (or 26750 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2031404 is about 1425.2733071239. The cubic root of 2031404 is about 126.6481259412.

Adding to 2031404 its reverse (4041302), we get a palindrome (6072706).

The spelling of 2031404 in words is "two million, thirty-one thousand, four hundred four".