2380391 has 8 divisors (see below), whose sum is σ = 2714544. Its totient is φ = 2067840.

The previous prime is 2380387. The next prime is 2380393. The reversal of 2380391 is 1930832.

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

It is a cyclic number.

It is not a de Polignac number, because 2380391 - 2² = 2380387 is a prime.

It is a super-2 number, since 2×2380391² = 11332522625762, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2380391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2380393) 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, 5165 + ... + 5606.

It is an arithmetic number, because the mean of its divisors is an integer number (339318).

2^2380391 is an apocalyptic number.

2380391 is a deficient number, since it is larger than the sum of its proper divisors (334153).

2380391 is a wasteful number, since it uses less digits than its factorization.

2380391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2380391 is about 1542.8515806778. The cubic root of 2380391 is about 133.5209559981.

The spelling of 2380391 in words is "two million, three hundred eighty thousand, three hundred ninety-one".