9402390 has 24 divisors (see below), whose sum is σ = 24446448. Its totient is φ = 2507280.

The previous prime is 9402373. The next prime is 9402401. The reversal of 9402390 is 932049.

9402390 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 hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52146 + ... + 52325.

It is an arithmetic number, because the mean of its divisors is an integer number (1018602).

Almost surely, 2^9402390 is an apocalyptic number.

9402390 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9402390 is an abundant number, since it is smaller than the sum of its proper divisors (15044058).

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

9402390 is a wasteful number, since it uses less digits than its factorization.

9402390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104484 (or 104481 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 9402390 is about 3066.3316846030. The cubic root of 9402390 is about 211.0633144077.

The spelling of 9402390 in words is "nine million, four hundred two thousand, three hundred ninety".