46981897 has 16 divisors (see below), whose sum is σ = 51620112. Its totient is φ = 42577920.

The previous prime is 46981849. The next prime is 46981933. The reversal of 46981897 is 79818964.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1971216 + 45010681 = 1404^2 + 6709^2 .

It is a cyclic number.

It is not a de Polignac number, because 46981897 - 2¹⁵ = 46949129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46981817) 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, 70747 + ... + 71407.

It is an arithmetic number, because the mean of its divisors is an integer number (3226257).

Almost surely, 2^46981897 is an apocalyptic number.

It is an amenable number.

46981897 is a deficient number, since it is larger than the sum of its proper divisors (4638215).

46981897 is a wasteful number, since it uses less digits than its factorization.

46981897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its digits is 870912, while the sum is 52.

The square root of 46981897 is about 6854.3341762712. The cubic root of 46981897 is about 360.8362683202.

The spelling of 46981897 in words is "forty-six million, nine hundred eighty-one thousand, eight hundred ninety-seven".