46989172 has 12 divisors (see below), whose sum is σ = 82529860. Its totient is φ = 23409216.

The previous prime is 46989167. The next prime is 46989179. The reversal of 46989172 is 27198964.

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 27311076 = 4436^2 + 5226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46989179) 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 3 ways as a sum of consecutive naturals, for example, 20097 + ... + 22312.

Almost surely, 2^46989172 is an apocalyptic number.

It is an amenable number.

46989172 is a deficient number, since it is larger than the sum of its proper divisors (35540688).

46989172 is a wasteful number, since it uses less digits than its factorization.

46989172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42690 (or 42688 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 46989172 is about 6854.8648418477. The cubic root of 46989172 is about 360.8548921486.

The spelling of 46989172 in words is "forty-six million, nine hundred eighty-nine thousand, one hundred seventy-two".