46809213 has 12 divisors (see below), whose sum is σ = 68602464. Its totient is φ = 28369000.

The previous prime is 46809187. The next prime is 46809221. The reversal of 46809213 is 31290864.

It is not a de Polignac number, because 46809213 - 2¹⁰ = 46808189 is a prime.

It is a super-2 number, since 2×46809213² = 4382204843358738, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46809013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64113 + ... + 64838.

It is an arithmetic number, because the mean of its divisors is an integer number (5716872).

Almost surely, 2^46809213 is an apocalyptic number.

It is an amenable number.

46809213 is a deficient number, since it is larger than the sum of its proper divisors (21793251).

46809213 is a wasteful number, since it uses less digits than its factorization.

46809213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128976 (or 128965 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 46809213 is about 6841.7258787531. The cubic root of 46809213 is about 360.3936357869.

The spelling of 46809213 in words is "forty-six million, eight hundred nine thousand, two hundred thirteen".