46490813 has 6 divisors (see below), whose sum is σ = 46851546. Its totient is φ = 46132832.

The previous prime is 46490779. The next prime is 46490827. The reversal of 46490813 is 31809464.

It can be written as a sum of positive squares in 3 ways, for example, as 9972964 + 36517849 = 3158^2 + 6043^2 .

It is not a de Polignac number, because 46490813 - 2⁶ = 46490749 is a prime.

It is a super-2 number, since 2×46490813² = 4322791386801938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46490413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17531 + ... + 20007.

It is an arithmetic number, because the mean of its divisors is an integer number (7808591).

Almost surely, 2^46490813 is an apocalyptic number.

It is an amenable number.

46490813 is a deficient number, since it is larger than the sum of its proper divisors (360733).

46490813 is an equidigital number, since it uses as much as digits as its factorization.

46490813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2614 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 46490813 is about 6818.4171916949. The cubic root of 46490813 is about 359.5746339140.

The spelling of 46490813 in words is "forty-six million, four hundred ninety thousand, eight hundred thirteen".