30402404 has 6 divisors (see below), whose sum is σ = 53204214. Its totient is φ = 15201200.

The previous prime is 30402401. The next prime is 30402457. The reversal of 30402404 is 40420403.

It can be written as a sum of positive squares in only one way, i.e., 25020004 + 5382400 = 5002^2 + 2320^2 .

It is not an unprimeable number, because it can be changed into a prime (30402401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3800297 + ... + 3800304.

It is an arithmetic number, because the mean of its divisors is an integer number (8867369).

Almost surely, 2^30402404 is an apocalyptic number.

It is an amenable number.

30402404 is a deficient number, since it is larger than the sum of its proper divisors (22801810).

30402404 is a wasteful number, since it uses less digits than its factorization.

30402404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600605 (or 7600603 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30402404 is about 5513.8375021395. The cubic root of 30402404 is about 312.1063767225.

Adding to 30402404 its reverse (40420403), we get a palindrome (70822807).

The spelling of 30402404 in words is "thirty million, four hundred two thousand, four hundred four".