2431140 has 24 divisors (see below), whose sum is σ = 6807360. Its totient is φ = 648288.

The previous prime is 2431139. The next prime is 2431151. The reversal of 2431140 is 411342.

It is a super-3 number, since 3×2431140³ = 43107333700696632000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20200 + ... + 20319.

It is an arithmetic number, because the mean of its divisors is an integer number (283640).

2^2431140 is an apocalyptic number.

2431140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431140 is an abundant number, since it is smaller than the sum of its proper divisors (4376220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2431140 is a wasteful number, since it uses less digits than its factorization.

2431140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40531 (or 40529 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2431140 is about 1559.2113391070. The cubic root of 2431140 is about 134.4631629840.

Adding to 2431140 its reverse (411342), we get a palindrome (2842482).

The spelling of 2431140 in words is "two million, four hundred thirty-one thousand, one hundred forty".