4649472 has 60 divisors (see below), whose sum is σ = 13431990. Its totient is φ = 1548288.

The previous prime is 4649467. The next prime is 4649497. The reversal of 4649472 is 2749464.

4649472 is a `hidden beast` number, since 4 + 649 + 4 + 7 + 2 = 666.

4649472 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 4260096 + 389376 = 2064^2 + 624^2 .

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

It is a d-powerful number, because it can be written as 4⁷ + 6⁸ + 4⁷ + 9 + 4⁷ + 7⁷ + 2²¹ .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4104 + ... + 5112.

Almost surely, 2^4649472 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 4649472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6715995).

4649472 is an abundant number, since it is smaller than the sum of its proper divisors (8782518).

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

4649472 is a wasteful number, since it uses less digits than its factorization.

4649472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1014 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 4649472 is about 2156.2634347408. The cubic root of 4649472 is about 166.9044357450.

The spelling of 4649472 in words is "four million, six hundred forty-nine thousand, four hundred seventy-two".