46256391 has 12 divisors (see below), whose sum is σ = 66873768. Its totient is φ = 30810384.

The previous prime is 46256387. The next prime is 46256407. The reversal of 46256391 is 19365264.

It is a happy number.

46256391 is a `hidden beast` number, since 4 + 6 + 2 + 563 + 91 = 666.

It is not a de Polignac number, because 46256391 - 2² = 46256387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46256311) 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 11 ways as a sum of consecutive naturals, for example, 18661 + ... + 20993.

It is an arithmetic number, because the mean of its divisors is an integer number (5572814).

Almost surely, 2^46256391 is an apocalyptic number.

46256391 is a deficient number, since it is larger than the sum of its proper divisors (20617377).

46256391 is a wasteful number, since it uses less digits than its factorization.

46256391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542 (or 4539 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 46256391 is about 6801.2051138015. The cubic root of 46256391 is about 358.9692506568.

The spelling of 46256391 in words is "forty-six million, two hundred fifty-six thousand, three hundred ninety-one".