46872981 has 24 divisors (see below), whose sum is σ = 71604000. Its totient is φ = 29464992.

The previous prime is 46872971. The next prime is 46872997. The reversal of 46872981 is 18927864.

It is not a de Polignac number, because 46872981 - 2¹⁴ = 46856597 is a prime.

It is a super-2 number, since 2×46872981² = 4394152695652722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46872901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45490 + ... + 46508.

It is an arithmetic number, because the mean of its divisors is an integer number (2983500).

Almost surely, 2^46872981 is an apocalyptic number.

It is an amenable number.

46872981 is a deficient number, since it is larger than the sum of its proper divisors (24731019).

46872981 is a wasteful number, since it uses less digits than its factorization.

46872981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1310 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 46872981 is about 6846.3845203144. The cubic root of 46872981 is about 360.5572157881.

The spelling of 46872981 in words is "forty-six million, eight hundred seventy-two thousand, nine hundred eighty-one".