46487979 has 16 divisors (see below), whose sum is σ = 72923040. Its totient is φ = 29168640.

The previous prime is 46487971. The next prime is 46487981. The reversal of 46487979 is 97978464.

It is a happy number.

It is not a de Polignac number, because 46487979 - 2³ = 46487971 is a prime.

It is a super-2 number, since 2×46487979² = 4322264383008882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46487971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50182 + ... + 51099.

It is an arithmetic number, because the mean of its divisors is an integer number (4557690).

Almost surely, 2^46487979 is an apocalyptic number.

46487979 is a deficient number, since it is larger than the sum of its proper divisors (26435061).

46487979 is a wasteful number, since it uses less digits than its factorization.

46487979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101307 (or 101301 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 46487979 is about 6818.2093690352. The cubic root of 46487979 is about 359.5673274151.

The spelling of 46487979 in words is "forty-six million, four hundred eighty-seven thousand, nine hundred seventy-nine".