4621813 has 8 divisors (see below), whose sum is σ = 5329728. Its totient is φ = 3925824.

The previous prime is 4621777. The next prime is 4621823. The reversal of 4621813 is 3181264.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4621813 - 2²¹ = 2524661 is a prime.

It is a super-2 number, since 2×4621813² = 42722310813938, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131 + ... + 3712.

It is an arithmetic number, because the mean of its divisors is an integer number (666216).

Almost surely, 2^4621813 is an apocalyptic number.

It is an amenable number.

4621813 is a deficient number, since it is larger than the sum of its proper divisors (707915).

4621813 is a wasteful number, since it uses less digits than its factorization.

4621813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963.

The product of its digits is 1152, while the sum is 25.

The square root of 4621813 is about 2149.8402266215. The cubic root of 4621813 is about 166.5728142714.

The spelling of 4621813 in words is "four million, six hundred twenty-one thousand, eight hundred thirteen".