46638247 has 2 divisors, whose sum is σ = 46638248. Its totient is φ = 46638246.

The previous prime is 46638239. The next prime is 46638269. The reversal of 46638247 is 74283664.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46638247 - 2³ = 46638239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46638947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23319123 + 23319124.

It is an arithmetic number, because the mean of its divisors is an integer number (23319124).

Almost surely, 2^46638247 is an apocalyptic number.

46638247 is a deficient number, since it is larger than the sum of its proper divisors (1).

46638247 is an equidigital number, since it uses as much as digits as its factorization.

46638247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

The square root of 46638247 is about 6829.2200872428. The cubic root of 46638247 is about 359.9543331991.

The spelling of 46638247 in words is "forty-six million, six hundred thirty-eight thousand, two hundred forty-seven".