2331404 has 6 divisors (see below), whose sum is σ = 4079964. Its totient is φ = 1165700.

The previous prime is 2331391. The next prime is 2331409. The reversal of 2331404 is 4041332.

It is a super-2 number, since 2×2331404² = 10870889222432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2331409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291422 + ... + 291429.

It is an arithmetic number, because the mean of its divisors is an integer number (679994).

2^2331404 is an apocalyptic number.

It is an amenable number.

2331404 is a deficient number, since it is larger than the sum of its proper divisors (1748560).

2331404 is a wasteful number, since it uses less digits than its factorization.

2331404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582855 (or 582853 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2331404 is about 1526.8935784789. The cubic root of 2331404 is about 132.5986733842.

Adding to 2331404 its reverse (4041332), we get a palindrome (6372736).

The spelling of 2331404 in words is "two million, three hundred thirty-one thousand, four hundred four".