2430381 has 8 divisors (see below), whose sum is σ = 3248800. Its totient is φ = 1616112.

The previous prime is 2430359. The next prime is 2430397. The reversal of 2430381 is 1830342.

It is a happy number.

2430381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2430381 - 2¹⁵ = 2397613 is a prime.

It is a super-2 number, since 2×2430381² = 11813503610322, 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 (2430331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (406100).

2^2430381 is an apocalyptic number.

It is an amenable number.

2430381 is a deficient number, since it is larger than the sum of its proper divisors (818419).

2430381 is a wasteful number, since it uses less digits than its factorization.

2430381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2430381 is about 1558.9679278292. The cubic root of 2430381 is about 134.4491684296.

The spelling of 2430381 in words is "two million, four hundred thirty thousand, three hundred eighty-one".