46972409 has 16 divisors (see below), whose sum is σ = 53329920. Its totient is φ = 40986000.

The previous prime is 46972403. The next prime is 46972421. The reversal of 46972409 is 90427964.

It is a de Polignac number, because none of the positive numbers 2^k-46972409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46972403) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 46904 + ... + 47894.

It is an arithmetic number, because the mean of its divisors is an integer number (3333120).

Almost surely, 2^46972409 is an apocalyptic number.

It is an amenable number.

46972409 is a deficient number, since it is larger than the sum of its proper divisors (6357511).

46972409 is a wasteful number, since it uses less digits than its factorization.

46972409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 46972409 is about 6853.6420245006. The cubic root of 46972409 is about 360.8119763749.

The spelling of 46972409 in words is "forty-six million, nine hundred seventy-two thousand, four hundred nine".