46988909 has 16 divisors (see below), whose sum is σ = 52615680. Its totient is φ = 41603760.

The previous prime is 46988891. The next prime is 46988917. The reversal of 46988909 is 90988964.

It is a de Polignac number, because none of the positive numbers 2^k-46988909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46988939) 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, 75602 + ... + 76220.

It is an arithmetic number, because the mean of its divisors is an integer number (3288480).

Almost surely, 2^46988909 is an apocalyptic number.

It is an amenable number.

46988909 is a deficient number, since it is larger than the sum of its proper divisors (5626771).

46988909 is a wasteful number, since it uses less digits than its factorization.

46988909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 46988909 is about 6854.8456583646. The cubic root of 46988909 is about 360.8542189083.

The spelling of 46988909 in words is "forty-six million, nine hundred eighty-eight thousand, nine hundred nine".