30532404 has 24 divisors (see below), whose sum is σ = 81419968. Its totient is φ = 8723520.

The previous prime is 30532379. The next prime is 30532409. The reversal of 30532404 is 40423503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30532409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181657 + ... + 181824.

Almost surely, 2^30532404 is an apocalyptic number.

It is an amenable number.

30532404 is an abundant number, since it is smaller than the sum of its proper divisors (50887564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30532404 is a wasteful number, since it uses less digits than its factorization.

30532404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363495 (or 363493 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30532404 is about 5525.6134501067. The cubic root of 30532404 is about 312.5505974606.

Adding to 30532404 its reverse (40423503), we get a palindrome (70955907).

The spelling of 30532404 in words is "thirty million, five hundred thirty-two thousand, four hundred four".