46399887 has 12 divisors (see below), whose sum is σ = 68833960. Its totient is φ = 30097008.

The previous prime is 46399879. The next prime is 46399889. The reversal of 46399887 is 78899364.

It is not a de Polignac number, because 46399887 - 2³ = 46399879 is a prime.

It is a super-2 number, since 2×46399887² = 4305899027225538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46399889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69337 + ... + 70002.

Almost surely, 2^46399887 is an apocalyptic number.

46399887 is a deficient number, since it is larger than the sum of its proper divisors (22434073).

46399887 is a wasteful number, since it uses less digits than its factorization.

46399887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139382 (or 139379 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 46399887 is about 6811.7462518799. The cubic root of 46399887 is about 359.3400641225.

The spelling of 46399887 in words is "forty-six million, three hundred ninety-nine thousand, eight hundred eighty-seven".