383272345 has 16 divisors (see below), whose sum is σ = 483396480. Its totient is φ = 291164544.

The previous prime is 383272339. The next prime is 383272369. The reversal of 383272345 is 543272383.

It is not a de Polignac number, because 383272345 - 2¹¹ = 383270297 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 3997 + ... + 27973.

It is an arithmetic number, because the mean of its divisors is an integer number (30212280).

Almost surely, 2^383272345 is an apocalyptic number.

383272345 is the 15985-th pentagonal number.

It is an amenable number.

383272345 is a deficient number, since it is larger than the sum of its proper divisors (100124135).

383272345 is a wasteful number, since it uses less digits than its factorization.

383272345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24144.

The product of its digits is 120960, while the sum is 37.

The square root of 383272345 is about 19577.3426439852. The cubic root of 383272345 is about 726.3888368031.

The spelling of 383272345 in words is "three hundred eighty-three million, two hundred seventy-two thousand, three hundred forty-five".