5662391 has 12 divisors (see below), whose sum is σ = 6681312. Its totient is φ = 4783968.

The previous prime is 5662381. The next prime is 5662409. The reversal of 5662391 is 1932665.

It is a happy number.

It is not a de Polignac number, because 5662391 - 2¹⁰ = 5661367 is a prime.

It is a super-3 number, since 3×5662391³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5662331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2786 + ... + 4368.

It is an arithmetic number, because the mean of its divisors is an integer number (556776).

Almost surely, 2^5662391 is an apocalyptic number.

5662391 is a deficient number, since it is larger than the sum of its proper divisors (1018921).

5662391 is a wasteful number, since it uses less digits than its factorization.

5662391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1663 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 5662391 is about 2379.5779037468. The cubic root of 5662391 is about 178.2378569100.

The spelling of 5662391 in words is "five million, six hundred sixty-two thousand, three hundred ninety-one".