2431485 has 64 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 1062720.

The previous prime is 2431469. The next prime is 2431489. The reversal of 2431485 is 5841342.

It is not a de Polignac number, because 2431485 - 2⁴ = 2431469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2431485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29254 + ... + 29336.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^2431485 is an apocalyptic number.

It is an amenable number.

2431485 is an abundant number, since it is smaller than the sum of its proper divisors (2729475).

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

2431485 is a wasteful number, since it uses less digits than its factorization.

2431485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 129 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2431485 is about 1559.3219680361. The cubic root of 2431485 is about 134.4695231822.

It can be divided in two parts, 2431 and 485, that added together give a square (2916 = 54²).

The spelling of 2431485 in words is "two million, four hundred thirty-one thousand, four hundred eighty-five".