5391390 has 32 divisors (see below), whose sum is σ = 13387680. Its totient is φ = 1387904.

The previous prime is 5391389. The next prime is 5391401. The reversal of 5391390 is 931935.

It is a super-2 number, since 2×5391390² = 58134172264200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229 + ... + 3968.

It is an arithmetic number, because the mean of its divisors is an integer number (418365).

Almost surely, 2^5391390 is an apocalyptic number.

5391390 is an abundant number, since it is smaller than the sum of its proper divisors (7996290).

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

5391390 is a wasteful number, since it uses less digits than its factorization.

5391390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 5391390 is about 2321.9366916434. The cubic root of 5391390 is about 175.3477710148.

The spelling of 5391390 in words is "five million, three hundred ninety-one thousand, three hundred ninety".