3897272016 has 80 divisors (see below), whose sum is σ = 12203593920. Its totient is φ = 1180990080.

The previous prime is 3897272009. The next prime is 3897272023. The reversal of 3897272016 is 6102727983.

It is an interprime number because it is at equal distance from previous prime (3897272009) and next prime (3897272023).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405315 + ... + 414818.

It is an arithmetic number, because the mean of its divisors is an integer number (152544924).

Almost surely, 2^3897272016 is an apocalyptic number.

3897272016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3897272016 is an abundant number, since it is smaller than the sum of its proper divisors (8306321904).

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

3897272016 is a wasteful number, since it uses less digits than its factorization.

3897272016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820161 (or 820149 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 3897272016 is about 62428.1348111571. The cubic root of 3897272016 is about 1573.6938213681.

Adding to 3897272016 its reverse (6102727983), we get a palindrome (9999999999).

The spelling of 3897272016 in words is "three billion, eight hundred ninety-seven million, two hundred seventy-two thousand, sixteen".