2279381 has 8 divisors (see below), whose sum is σ = 2467584. Its totient is φ = 2093040.

The previous prime is 2279363. The next prime is 2279393. The reversal of 2279381 is 1839722.

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 2279381 - 2⁶ = 2279317 is a prime.

It is a super-2 number, since 2×2279381² = 10391155486322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279351) 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, 3200 + ... + 3846.

It is an arithmetic number, because the mean of its divisors is an integer number (308448).

2^2279381 is an apocalyptic number.

It is an amenable number.

2279381 is a deficient number, since it is larger than the sum of its proper divisors (188203).

2279381 is a wasteful number, since it uses less digits than its factorization.

2279381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its digits is 6048, while the sum is 32.

The square root of 2279381 is about 1509.7619017580. The cubic root of 2279381 is about 131.6049752833.

The spelling of 2279381 in words is "two million, two hundred seventy-nine thousand, three hundred eighty-one".