4656391 has 8 divisors (see below), whose sum is σ = 4760640. Its totient is φ = 4553472.

The previous prime is 4656367. The next prime is 4656397. The reversal of 4656391 is 1936564.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4656391 - 2⁷ = 4656263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4656397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9826 + ... + 10288.

It is an arithmetic number, because the mean of its divisors is an integer number (595080).

Almost surely, 2^4656391 is an apocalyptic number.

4656391 is a deficient number, since it is larger than the sum of its proper divisors (104249).

4656391 is a wasteful number, since it uses less digits than its factorization.

4656391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665.

The product of its digits is 19440, while the sum is 34.

The square root of 4656391 is about 2157.8672340994. The cubic root of 4656391 is about 166.9871863189.

The spelling of 4656391 in words is "four million, six hundred fifty-six thousand, three hundred ninety-one".