46990087 has 4 divisors (see below), whose sum is σ = 47261880. Its totient is φ = 46718296.

The previous prime is 46990061. The next prime is 46990123. The reversal of 46990087 is 78009964.

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-46990087 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 (46990187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135637 + ... + 135982.

It is an arithmetic number, because the mean of its divisors is an integer number (11815470).

Almost surely, 2^46990087 is an apocalyptic number.

46990087 is a deficient number, since it is larger than the sum of its proper divisors (271793).

46990087 is a wasteful number, since it uses less digits than its factorization.

46990087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271792.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 46990087 is about 6854.9315824449. The cubic root of 46990087 is about 360.8572343909.

The spelling of 46990087 in words is "forty-six million, nine hundred ninety thousand, eighty-seven".