2431487 has 4 divisors (see below), whose sum is σ = 2559480. Its totient is φ = 2303496.

The previous prime is 2431469. The next prime is 2431489. The reversal of 2431487 is 7841342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2431487 - 2¹⁴ = 2415103 is a prime.

It is a Duffinian 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63968 + ... + 64005.

It is an arithmetic number, because the mean of its divisors is an integer number (639870).

2^2431487 is an apocalyptic number.

2431487 is a deficient number, since it is larger than the sum of its proper divisors (127993).

2431487 is a wasteful number, since it uses less digits than its factorization.

2431487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127992.

The product of its digits is 5376, while the sum is 29.

The square root of 2431487 is about 1559.3226093404. The cubic root of 2431487 is about 134.4695600512.

The spelling of 2431487 in words is "two million, four hundred thirty-one thousand, four hundred eighty-seven".