4645944 has 64 divisors (see below), whose sum is σ = 13082400. Its totient is φ = 1527552.

The previous prime is 4645933. The next prime is 4645951. The reversal of 4645944 is 4495464.

4645944 is a `hidden beast` number, since 4 + 64 + 594 + 4 = 666.

It is a super-2 number, since 2×4645944² = 43169591302272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4645899 and 4645908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29514 + ... + 29670.

Almost surely, 2^4645944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4645944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6541200).

4645944 is an abundant number, since it is smaller than the sum of its proper divisors (8436456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4645944 is a wasteful number, since it uses less digits than its factorization.

4645944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 299 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4645944 is about 2155.4451976332. The cubic root of 4645944 is about 166.8622095992.

The spelling of 4645944 in words is "four million, six hundred forty-five thousand, nine hundred forty-four".