46986391 has 4 divisors (see below), whose sum is σ = 47073784. Its totient is φ = 46899000.

The previous prime is 46986389. The next prime is 46986397. The reversal of 46986391 is 19368964.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46986391 - 2¹ = 46986389 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 (46986397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42885 + ... + 43966.

It is an arithmetic number, because the mean of its divisors is an integer number (11768446).

Almost surely, 2^46986391 is an apocalyptic number.

46986391 is a deficient number, since it is larger than the sum of its proper divisors (87393).

46986391 is an equidigital number, since it uses as much as digits as its factorization.

46986391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87392.

The product of its digits is 279936, while the sum is 46.

The square root of 46986391 is about 6854.6619902078. The cubic root of 46986391 is about 360.8477730812.

The spelling of 46986391 in words is "forty-six million, nine hundred eighty-six thousand, three hundred ninety-one".