6499152 has 90 divisors (see below), whose sum is σ = 20046026. Its totient is φ = 1964160.

The previous prime is 6499147. The next prime is 6499169. The reversal of 6499152 is 2519946.

6499152 is a `hidden beast` number, since 649 + 9 + 1 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5645376 + 853776 = 2376^2 + 924^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17238 + ... + 17610.

Almost surely, 2^6499152 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 6499152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10023013).

6499152 is an abundant number, since it is smaller than the sum of its proper divisors (13546874).

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

6499152 is a wasteful number, since it uses less digits than its factorization.

6499152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 389 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 6499152 is about 2549.3434448893. The cubic root of 6499152 is about 186.6174416688.

It can be divided in two parts, 649 and 9152, that added together give a square (9801 = 99²).

The spelling of 6499152 in words is "six million, four hundred ninety-nine thousand, one hundred fifty-two".