10302990 has 16 divisors (see below), whose sum is σ = 24727248. Its totient is φ = 2747456.

The previous prime is 10302989. The next prime is 10303043. The reversal of 10302990 is 9920301.

It is a happy number.

10302990 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10302990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171687 + ... + 171746.

It is an arithmetic number, because the mean of its divisors is an integer number (1545453).

Almost surely, 2^10302990 is an apocalyptic number.

10302990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10302990 is an abundant number, since it is smaller than the sum of its proper divisors (14424258).

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

10302990 is a wasteful number, since it uses less digits than its factorization.

10302990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343443.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 10302990 is about 3209.8270981472. The cubic root of 10302990 is about 217.5977628942.

The spelling of 10302990 in words is "ten million, three hundred two thousand, nine hundred ninety".