46458821 has 2 divisors, whose sum is σ = 46458822. Its totient is φ = 46458820.

The previous prime is 46458817. The next prime is 46458847. The reversal of 46458821 is 12885464.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44742721 + 1716100 = 6689^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 46458821 - 2² = 46458817 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46458851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23229410 + 23229411.

It is an arithmetic number, because the mean of its divisors is an integer number (23229411).

Almost surely, 2^46458821 is an apocalyptic number.

It is an amenable number.

46458821 is a deficient number, since it is larger than the sum of its proper divisors (1).

46458821 is an equidigital number, since it uses as much as digits as its factorization.

46458821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 38.

The square root of 46458821 is about 6816.0707889517. The cubic root of 46458821 is about 359.4921362432.

The spelling of 46458821 in words is "forty-six million, four hundred fifty-eight thousand, eight hundred twenty-one".