3897072339 has 8 divisors (see below), whose sum is σ = 5196502272. Its totient is φ = 2597845320.

The previous prime is 3897072331. The next prime is 3897072371. The reversal of 3897072339 is 9332707983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3897072339 - 2³ = 3897072331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3897072291 and 3897072300.

It is not an unprimeable number, because it can be changed into a prime (3897072331) 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, 1882 + ... + 88304.

It is an arithmetic number, because the mean of its divisors is an integer number (649562784).

Almost surely, 2^3897072339 is an apocalyptic number.

3897072339 is a deficient number, since it is larger than the sum of its proper divisors (1299429933).

3897072339 is a wasteful number, since it uses less digits than its factorization.

3897072339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101457.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The square root of 3897072339 is about 62426.5355357800. The cubic root of 3897072339 is about 1573.6669448053. Note that the first 3 decimals are identical.

The spelling of 3897072339 in words is "three billion, eight hundred ninety-seven million, seventy-two thousand, three hundred thirty-nine".