30082990 has 32 divisors (see below), whose sum is σ = 62106624. Its totient is φ = 10277280.

The previous prime is 30082981. The next prime is 30082993. The reversal of 30082990 is 9928003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30082993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25105 + ... + 26275.

It is an arithmetic number, because the mean of its divisors is an integer number (1940832).

Almost surely, 2^30082990 is an apocalyptic number.

30082990 is an abundant number, since it is smaller than the sum of its proper divisors (32023634).

30082990 is a wasteful number, since it uses less digits than its factorization.

30082990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 30082990 is about 5484.7962587502. The cubic root of 30082990 is about 311.0095081580.

The spelling of 30082990 in words is "thirty million, eighty-two thousand, nine hundred ninety".