3646077312 has 64 divisors (see below), whose sum is σ = 10254610800. Its totient is φ = 1143865344.

The previous prime is 3646077289. The next prime is 3646077317. The reversal of 3646077312 is 2137706463.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3646077312² = 26587759530162290688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646077317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272737 + ... + 285792.

Almost surely, 2^3646077312 is an apocalyptic number.

3646077312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3646077312 is an abundant number, since it is smaller than the sum of its proper divisors (6608533488).

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

3646077312 is a wasteful number, since it uses less digits than its factorization.

3646077312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558563 (or 558551 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 3646077312 is about 60382.7567439580. The cubic root of 3646077312 is about 1539.1299566301.

The spelling of 3646077312 in words is "three billion, six hundred forty-six million, seventy-seven thousand, three hundred twelve".