2333981 has 16 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1982208.

The previous prime is 2333957. The next prime is 2333993. The reversal of 2333981 is 1893332.

It is a cyclic number.

It is not a de Polignac number, because 2333981 - 2¹⁸ = 2071837 is a prime.

It is a super-2 number, since 2×2333981² = 10894934616722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2333951) 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, 12950 + ... + 13128.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^2333981 is an apocalyptic number.

It is an amenable number.

2333981 is a deficient number, since it is larger than the sum of its proper divisors (387619).

2333981 is a wasteful number, since it uses less digits than its factorization.

2333981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its digits is 3888, while the sum is 29.

The square root of 2333981 is about 1527.7372156232. The cubic root of 2333981 is about 132.6475110456.

The spelling of 2333981 in words is "two million, three hundred thirty-three thousand, nine hundred eighty-one".