46140839 has 4 divisors (see below), whose sum is σ = 48855024. Its totient is φ = 43426656.

The previous prime is 46140821. The next prime is 46140859. The reversal of 46140839 is 93804164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46140839 - 2²⁴ = 29363623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46140799 and 46140808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46140859) 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 3 ways as a sum of consecutive naturals, for example, 1357067 + ... + 1357100.

It is an arithmetic number, because the mean of its divisors is an integer number (12213756).

Almost surely, 2^46140839 is an apocalyptic number.

46140839 is a deficient number, since it is larger than the sum of its proper divisors (2714185).

46140839 is a wasteful number, since it uses less digits than its factorization.

46140839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714184.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 46140839 is about 6792.7048368084. The cubic root of 46140839 is about 358.6700905356.

The spelling of 46140839 in words is "forty-six million, one hundred forty thousand, eight hundred thirty-nine".