46913918 has 4 divisors (see below), whose sum is σ = 70370880. Its totient is φ = 23456958.

The previous prime is 46913879. The next prime is 46913959. The reversal of 46913918 is 81931964.

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

It is a super-2 number, since 2×46913918² = 4401831404221448, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11728478 + ... + 11728481.

It is an arithmetic number, because the mean of its divisors is an integer number (17592720).

Almost surely, 2^46913918 is an apocalyptic number.

46913918 is a deficient number, since it is larger than the sum of its proper divisors (23456962).

46913918 is a wasteful number, since it uses less digits than its factorization.

46913918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23456961.

The product of its digits is 46656, while the sum is 41.

The square root of 46913918 is about 6849.3735479969. The cubic root of 46913918 is about 360.6621506961.

It can be divided in two parts, 4 and 6913918, that multiplied together give a palindrome (27655672).

The spelling of 46913918 in words is "forty-six million, nine hundred thirteen thousand, nine hundred eighteen".