46815389 has 4 divisors (see below), whose sum is σ = 47253024. Its totient is φ = 46377756.

The previous prime is 46815383. The next prime is 46815407. The reversal of 46815389 is 98351864.

46815389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46815389 - 2¹² = 46811293 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 (46815383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218657 + ... + 218870.

It is an arithmetic number, because the mean of its divisors is an integer number (11813256).

Almost surely, 2^46815389 is an apocalyptic number.

It is an amenable number.

46815389 is a deficient number, since it is larger than the sum of its proper divisors (437635).

46815389 is a wasteful number, since it uses less digits than its factorization.

46815389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437634.

The product of its digits is 207360, while the sum is 44.

The square root of 46815389 is about 6842.1772119699. The cubic root of 46815389 is about 360.4094851825.

The spelling of 46815389 in words is "forty-six million, eight hundred fifteen thousand, three hundred eighty-nine".