46638859 has 2 divisors, whose sum is σ = 46638860. Its totient is φ = 46638858.

The previous prime is 46638821. The next prime is 46638869. The reversal of 46638859 is 95883664.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46638859 - 2¹³ = 46630667 is a prime.

It is not a weakly prime, because it can be changed into another prime (46638869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23319429 + 23319430.

It is an arithmetic number, because the mean of its divisors is an integer number (23319430).

Almost surely, 2^46638859 is an apocalyptic number.

46638859 is a deficient number, since it is larger than the sum of its proper divisors (1).

46638859 is an equidigital number, since it uses as much as digits as its factorization.

46638859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 46638859 is about 6829.2648945549. The cubic root of 46638859 is about 359.9559076657.

The spelling of 46638859 in words is "forty-six million, six hundred thirty-eight thousand, eight hundred fifty-nine".