3646231072 has 24 divisors (see below), whose sum is σ = 7831110672. Its totient is φ = 1657377600.

The previous prime is 3646231051. The next prime is 3646231079. The reversal of 3646231072 is 2701326463.

It is not an unprimeable number, because it can be changed into a prime (3646231079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5178954 + ... + 5179657.

It is an arithmetic number, because the mean of its divisors is an integer number (326296278).

Almost surely, 2^3646231072 is an apocalyptic number.

3646231072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3646231072 is an abundant number, since it is smaller than the sum of its proper divisors (4184879600).

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

3646231072 is a wasteful number, since it uses less digits than its factorization.

3646231072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10358632 (or 10358624 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 3646231072 is about 60384.0299416990. The cubic root of 3646231072 is about 1539.1515920550.

The spelling of 3646231072 in words is "three billion, six hundred forty-six million, two hundred thirty-one thousand, seventy-two".