46688399 has 2 divisors, whose sum is σ = 46688400. Its totient is φ = 46688398.

The previous prime is 46688371. The next prime is 46688401. The reversal of 46688399 is 99388664.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46688399 - 2²⁴ = 29911183 is a prime.

It is a Sophie Germain prime.

Together with 46688401, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46688399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46688329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23344199 + 23344200.

It is an arithmetic number, because the mean of its divisors is an integer number (23344200).

Almost surely, 2^46688399 is an apocalyptic number.

46688399 is a deficient number, since it is larger than the sum of its proper divisors (1).

46688399 is an equidigital number, since it uses as much as digits as its factorization.

46688399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 53.

The square root of 46688399 is about 6832.8909694214. The cubic root of 46688399 is about 360.0833114798.

The spelling of 46688399 in words is "forty-six million, six hundred eighty-eight thousand, three hundred ninety-nine".