46021918 has 8 divisors (see below), whose sum is σ = 71259840. Its totient is φ = 22268640.

The previous prime is 46021891. The next prime is 46021951. The reversal of 46021918 is 81912064.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 46021918.

It is a congruent number.

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, 371083 + ... + 371206.

It is an arithmetic number, because the mean of its divisors is an integer number (8907480).

Almost surely, 2^46021918 is an apocalyptic number.

46021918 is a deficient number, since it is larger than the sum of its proper divisors (25237922).

46021918 is a wasteful number, since it uses less digits than its factorization.

46021918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742322.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 46021918 is about 6783.9456070933. The cubic root of 46021918 is about 358.3616862128.

The spelling of 46021918 in words is "forty-six million, twenty-one thousand, nine hundred eighteen".