2115404 has 12 divisors (see below), whose sum is σ = 3712800. Its totient is φ = 1054608.

The previous prime is 2115397. The next prime is 2115427. The reversal of 2115404 is 4045112.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (309400).

2^2115404 is an apocalyptic number.

It is an amenable number.

2115404 is a deficient number, since it is larger than the sum of its proper divisors (1597396).

2115404 is a wasteful number, since it uses less digits than its factorization.

2115404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2115404 is about 1454.4428486537. The cubic root of 2115404 is about 128.3702657895.

The spelling of 2115404 in words is "two million, one hundred fifteen thousand, four hundred four".