46912987 has 4 divisors (see below), whose sum is σ = 51177816. Its totient is φ = 42648160.

The previous prime is 46912963. The next prime is 46912991. The reversal of 46912987 is 78921964.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46912987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46912937) 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, 2132398 + ... + 2132419.

It is an arithmetic number, because the mean of its divisors is an integer number (12794454).

Almost surely, 2^46912987 is an apocalyptic number.

46912987 is a deficient number, since it is larger than the sum of its proper divisors (4264829).

46912987 is a wasteful number, since it uses less digits than its factorization.

46912987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264828.

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

The square root of 46912987 is about 6849.3055852400. The cubic root of 46912987 is about 360.6597649174.

It can be divided in two parts, 469 and 12987, that added together give a square (13456 = 116²).

The spelling of 46912987 in words is "forty-six million, nine hundred twelve thousand, nine hundred eighty-seven".