5402390 has 32 divisors (see below), whose sum is σ = 11280384. Its totient is φ = 1824480.

The previous prime is 5402377. The next prime is 5402393. The reversal of 5402390 is 932045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402393) 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, 4427 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (352512).

Almost surely, 2^5402390 is an apocalyptic number.

5402390 is an abundant number, since it is smaller than the sum of its proper divisors (5877994).

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

5402390 is a wasteful number, since it uses less digits than its factorization.

5402390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 5402390 is about 2324.3041969587. The cubic root of 5402390 is about 175.4669434470.

The spelling of 5402390 in words is "five million, four hundred two thousand, three hundred ninety".