3249576646 has 4 divisors (see below), whose sum is σ = 4874364972. Its totient is φ = 1624788322.

The previous prime is 3249576641. The next prime is 3249576667. The reversal of 3249576646 is 6466759423.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 3249576593 and 3249576602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249576641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812394160 + ... + 812394163.

It is an arithmetic number, because the mean of its divisors is an integer number (1218591243).

Almost surely, 2^3249576646 is an apocalyptic number.

3249576646 is a deficient number, since it is larger than the sum of its proper divisors (1624788326).

3249576646 is a wasteful number, since it uses less digits than its factorization.

3249576646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624788325.

The product of its digits is 6531840, while the sum is 52.

The square root of 3249576646 is about 57005.0580738236. The cubic root of 3249576646 is about 1481.1837142538.

The spelling of 3249576646 in words is "three billion, two hundred forty-nine million, five hundred seventy-six thousand, six hundred forty-six".