2303381 has 16 divisors (see below), whose sum is σ = 2623104. Its totient is φ = 2010624.

The previous prime is 2303377. The next prime is 2303387. The reversal of 2303381 is 1833032.

It is not a de Polignac number, because 2303381 - 2² = 2303377 is a prime.

It is a super-2 number, since 2×2303381² = 10611128062322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303387) 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, 16745 + ... + 16881.

It is an arithmetic number, because the mean of its divisors is an integer number (163944).

2^2303381 is an apocalyptic number.

It is an amenable number.

2303381 is a deficient number, since it is larger than the sum of its proper divisors (319723).

2303381 is a wasteful number, since it uses less digits than its factorization.

2303381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2303381 is about 1517.6893621555. The cubic root of 2303381 is about 132.0652608121.

The spelling of 2303381 in words is "two million, three hundred three thousand, three hundred eighty-one".