46406639 has 2 divisors, whose sum is σ = 46406640. Its totient is φ = 46406638.

The previous prime is 46406609. The next prime is 46406653. The reversal of 46406639 is 93660464.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46406639 is a prime.

It is a super-2 number, since 2×46406639² = 4307152286552642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46406609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23203319 + 23203320.

It is an arithmetic number, because the mean of its divisors is an integer number (23203320).

Almost surely, 2^46406639 is an apocalyptic number.

46406639 is a deficient number, since it is larger than the sum of its proper divisors (1).

46406639 is an equidigital number, since it uses as much as digits as its factorization.

46406639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 46406639 is about 6812.2418483198. The cubic root of 46406639 is about 359.3574933778.

The spelling of 46406639 in words is "forty-six million, four hundred six thousand, six hundred thirty-nine".