46994821 has 2 divisors, whose sum is σ = 46994822. Its totient is φ = 46994820.

The previous prime is 46994807. The next prime is 46994833. The reversal of 46994821 is 12849964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38613796 + 8381025 = 6214^2 + 2895^2 .

It is a cyclic number.

It is not a de Polignac number, because 46994821 - 2¹⁷ = 46863749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46994881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23497410 + 23497411.

It is an arithmetic number, because the mean of its divisors is an integer number (23497411).

Almost surely, 2^46994821 is an apocalyptic number.

It is an amenable number.

46994821 is a deficient number, since it is larger than the sum of its proper divisors (1).

46994821 is an equidigital number, since it uses as much as digits as its factorization.

46994821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 46994821 is about 6855.2768725997. The cubic root of 46994821 is about 360.8693521296.

The spelling of 46994821 in words is "forty-six million, nine hundred ninety-four thousand, eight hundred twenty-one".