46444987 has 4 divisors (see below), whose sum is σ = 48889480. Its totient is φ = 44000496.

The previous prime is 46444967. The next prime is 46444999. The reversal of 46444987 is 78944464.

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

It is a cyclic number.

It is not a de Polignac number, because 46444987 - 2¹¹ = 46442939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46444967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222218 + ... + 1222255.

It is an arithmetic number, because the mean of its divisors is an integer number (12222370).

Almost surely, 2^46444987 is an apocalyptic number.

46444987 is a deficient number, since it is larger than the sum of its proper divisors (2444493).

46444987 is a wasteful number, since it uses less digits than its factorization.

46444987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444492.

The product of its digits is 774144, while the sum is 46.

The square root of 46444987 is about 6815.0559058602. The cubic root of 46444987 is about 359.4564508210.

It can be divided in two parts, 464 and 44987, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 46444987 in words is "forty-six million, four hundred forty-four thousand, nine hundred eighty-seven".