2402404 has 6 divisors (see below), whose sum is σ = 4204214. Its totient is φ = 1201200.

The previous prime is 2402401. The next prime is 2402431. The reversal of 2402404 is 4042042.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 61504 = 1530^2 + 248^2 .

It is not an unprimeable number, because it can be changed into a prime (2402401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300297 + ... + 300304.

2^2402404 is an apocalyptic number.

It is an amenable number.

2402404 is a deficient number, since it is larger than the sum of its proper divisors (1801810).

2402404 is a wasteful number, since it uses less digits than its factorization.

2402404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600605 (or 600603 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2402404 is about 1549.9690319487. The cubic root of 2402404 is about 133.9312783436.

Adding to 2402404 its reverse (4042042), we get a palindrome (6444446).

The spelling of 2402404 in words is "two million, four hundred two thousand, four hundred four".