3649262792 has 32 divisors (see below), whose sum is σ = 8089502400. Its totient is φ = 1510039104.

The previous prime is 3649262779. The next prime is 3649262807. The reversal of 3649262792 is 2972629463.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3649262792.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121918 + ... + 1125165.

It is an arithmetic number, because the mean of its divisors is an integer number (252796950).

Almost surely, 2^3649262792 is an apocalyptic number.

It is an amenable number.

3649262792 is an abundant number, since it is smaller than the sum of its proper divisors (4440239608).

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

3649262792 is a wasteful number, since it uses less digits than its factorization.

3649262792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247125 (or 2247121 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 50.

The square root of 3649262792 is about 60409.1283830515. The cubic root of 3649262792 is about 1539.5780583508.

The spelling of 3649262792 in words is "three billion, six hundred forty-nine million, two hundred sixty-two thousand, seven hundred ninety-two".