5172390 has 32 divisors (see below), whose sum is σ = 13793760. Its totient is φ = 1379232.

The previous prime is 5172383. The next prime is 5172407. The reversal of 5172390 is 932715.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9309 + ... + 9848.

It is an arithmetic number, because the mean of its divisors is an integer number (431055).

Almost surely, 2^5172390 is an apocalyptic number.

5172390 is an abundant number, since it is smaller than the sum of its proper divisors (8621370).

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

5172390 is a wasteful number, since it uses less digits than its factorization.

5172390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19173 (or 19167 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 5172390 is about 2274.2888998542. The cubic root of 5172390 is about 172.9406503402.

The spelling of 5172390 in words is "five million, one hundred seventy-two thousand, three hundred ninety".