46387491 has 4 divisors (see below), whose sum is σ = 61849992. Its totient is φ = 30924992.

The previous prime is 46387487. The next prime is 46387499. The reversal of 46387491 is 19478364.

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 46387491 - 2² = 46387487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46387499) 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, 7731246 + ... + 7731251.

It is an arithmetic number, because the mean of its divisors is an integer number (15462498).

Almost surely, 2^46387491 is an apocalyptic number.

46387491 is a deficient number, since it is larger than the sum of its proper divisors (15462501).

46387491 is a wasteful number, since it uses less digits than its factorization.

46387491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462500.

The product of its digits is 145152, while the sum is 42.

The square root of 46387491 is about 6810.8362922625. The cubic root of 46387491 is about 359.3080613422.

The spelling of 46387491 in words is "forty-six million, three hundred eighty-seven thousand, four hundred ninety-one".