46139398 has 12 divisors (see below), whose sum is σ = 69790140. Its totient is φ = 22876916.

The previous prime is 46139393. The next prime is 46139413. The reversal of 46139398 is 89393164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46139393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128343 + ... + 128701.

It is an arithmetic number, because the mean of its divisors is an integer number (5815845).

Almost surely, 2^46139398 is an apocalyptic number.

46139398 is a deficient number, since it is larger than the sum of its proper divisors (23650742).

46139398 is an equidigital number, since it uses as much as digits as its factorization.

46139398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 540 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 46139398 is about 6792.5987663044. The cubic root of 46139398 is about 358.6663566851. Note that the first 3 decimals are identical.

The spelling of 46139398 in words is "forty-six million, one hundred thirty-nine thousand, three hundred ninety-eight".