46640039 has 2 divisors, whose sum is σ = 46640040. Its totient is φ = 46640038.

The previous prime is 46640029. The next prime is 46640047. The reversal of 46640039 is 93004664.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46640039 - 2⁴ = 46640023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46639987 and 46640014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46640029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23320019 + 23320020.

It is an arithmetic number, because the mean of its divisors is an integer number (23320020).

Almost surely, 2^46640039 is an apocalyptic number.

46640039 is a deficient number, since it is larger than the sum of its proper divisors (1).

46640039 is an equidigital number, since it uses as much as digits as its factorization.

46640039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 46640039 is about 6829.3512869086. The cubic root of 46640039 is about 359.9589433631.

The spelling of 46640039 in words is "forty-six million, six hundred forty thousand, thirty-nine".