46990138 has 8 divisors (see below), whose sum is σ = 75907188. Its totient is φ = 21687744.

The previous prime is 46990123. The next prime is 46990183. The reversal of 46990138 is 83109964.

It can be written as a sum of positive squares in 2 ways, for example, as 43917129 + 3073009 = 6627^2 + 1753^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 46990138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903631 + ... + 903682.

Almost surely, 2^46990138 is an apocalyptic number.

46990138 is a deficient number, since it is larger than the sum of its proper divisors (28917050).

46990138 is a wasteful number, since it uses less digits than its factorization.

46990138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807328.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 46990138 is about 6854.9353023935. The cubic root of 46990138 is about 360.8573649413.

The spelling of 46990138 in words is "forty-six million, nine hundred ninety thousand, one hundred thirty-eight".