2393481 has 16 divisors (see below), whose sum is σ = 3431808. Its totient is φ = 1478400.

The previous prime is 2393473. The next prime is 2393497. The reversal of 2393481 is 1843932.

It is not a de Polignac number, because 2393481 - 2³ = 2393473 is a prime.

It is a super-2 number, since 2×2393481² = 11457502594722, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

2393481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2393431) 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, 3291 + ... + 3951.

It is an arithmetic number, because the mean of its divisors is an integer number (214488).

2^2393481 is an apocalyptic number.

It is an amenable number.

2393481 is a deficient number, since it is larger than the sum of its proper divisors (1038327).

2393481 is a wasteful number, since it uses less digits than its factorization.

2393481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its digits is 5184, while the sum is 30.

The square root of 2393481 is about 1547.0879095901. The cubic root of 2393481 is about 133.7652569430.

The spelling of 2393481 in words is "two million, three hundred ninety-three thousand, four hundred eighty-one".