30090408 has 32 divisors (see below), whose sum is σ = 79652160. Its totient is φ = 9440000.

The previous prime is 30090407. The next prime is 30090419. The reversal of 30090408 is 80409003.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30090407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36468 + ... + 37283.

It is an arithmetic number, because the mean of its divisors is an integer number (2489130).

Almost surely, 2^30090408 is an apocalyptic number.

It is an amenable number.

30090408 is an abundant number, since it is smaller than the sum of its proper divisors (49561752).

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

30090408 is a wasteful number, since it uses less digits than its factorization.

30090408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73777 (or 73773 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 30090408 is about 5485.4724500265. The cubic root of 30090408 is about 311.0350694351.

The spelling of 30090408 in words is "thirty million, ninety thousand, four hundred eight".