46439389 has 4 divisors (see below), whose sum is σ = 46512256. Its totient is φ = 46366524.

The previous prime is 46439383. The next prime is 46439417. The reversal of 46439389 is 98393464.

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 46439389 - 2¹¹ = 46437341 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 (46439383) 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, 35469 + ... + 36754.

It is an arithmetic number, because the mean of its divisors is an integer number (11628064).

Almost surely, 2^46439389 is an apocalyptic number.

It is an amenable number.

46439389 is a deficient number, since it is larger than the sum of its proper divisors (72867).

46439389 is an equidigital number, since it uses as much as digits as its factorization.

46439389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72866.

The product of its digits is 559872, while the sum is 46.

The square root of 46439389 is about 6814.6451851876. The cubic root of 46439389 is about 359.4420085156.

The spelling of 46439389 in words is "forty-six million, four hundred thirty-nine thousand, three hundred eighty-nine".