46321918 has 4 divisors (see below), whose sum is σ = 69482880. Its totient is φ = 23160958.

The previous prime is 46321897. The next prime is 46321969. The reversal of 46321918 is 81912364.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11580478 + ... + 11580481.

It is an arithmetic number, because the mean of its divisors is an integer number (17370720).

Almost surely, 2^46321918 is an apocalyptic number.

46321918 is a deficient number, since it is larger than the sum of its proper divisors (23160962).

46321918 is a wasteful number, since it uses less digits than its factorization.

46321918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23160961.

The product of its digits is 10368, while the sum is 34.

The square root of 46321918 is about 6806.0207169829. The cubic root of 46321918 is about 359.1386764674.

The spelling of 46321918 in words is "forty-six million, three hundred twenty-one thousand, nine hundred eighteen".