46409239 has 16 divisors (see below), whose sum is σ = 49699584. Its totient is φ = 43243200.

The previous prime is 46409219. The next prime is 46409249. The reversal of 46409239 is 93290464.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46409239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46409198 and 46409207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46409219) 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 15 ways as a sum of consecutive naturals, for example, 219844 + ... + 220054.

It is an arithmetic number, because the mean of its divisors is an integer number (3106224).

Almost surely, 2^46409239 is an apocalyptic number.

46409239 is a deficient number, since it is larger than the sum of its proper divisors (3290345).

46409239 is a wasteful number, since it uses less digits than its factorization.

46409239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 46409239 is about 6812.4326785664. The cubic root of 46409239 is about 359.3642044293.

The spelling of 46409239 in words is "forty-six million, four hundred nine thousand, two hundred thirty-nine".