46306391 has 4 divisors (see below), whose sum is σ = 46574232. Its totient is φ = 46038552.

The previous prime is 46306373. The next prime is 46306397. The reversal of 46306391 is 19360364.

It is a happy number.

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-46306391 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 (46306397) 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, 133661 + ... + 134006.

It is an arithmetic number, because the mean of its divisors is an integer number (11643558).

Almost surely, 2^46306391 is an apocalyptic number.

46306391 is a deficient number, since it is larger than the sum of its proper divisors (267841).

46306391 is a wasteful number, since it uses less digits than its factorization.

46306391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267840.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 46306391 is about 6804.8799401606. The cubic root of 46306391 is about 359.0985444978.

The spelling of 46306391 in words is "forty-six million, three hundred six thousand, three hundred ninety-one".