380997 has 16 divisors (see below), whose sum is σ = 574080. Its totient is φ = 249696.

The previous prime is 380983. The next prime is 381001. The reversal of 380997 is 799083.

It is not a de Polignac number, because 380997 - 2⁷ = 380869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2713 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (35880).

2³⁸⁰⁹⁹⁷ is an apocalyptic number.

380997 is the 309-th decagonal number.

It is an amenable number.

380997 is a deficient number, since it is larger than the sum of its proper divisors (193083).

380997 is a wasteful number, since it uses less digits than its factorization.

380997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 380997 is about 617.2495443498. The cubic root of 380997 is about 72.4948549658.

The spelling of 380997 in words is "three hundred eighty thousand, nine hundred ninety-seven".