2431648 has 12 divisors (see below), whose sum is σ = 4787370. Its totient is φ = 1215808.

The previous prime is 2431633. The next prime is 2431657. The reversal of 2431648 is 8461342.

It can be written as a sum of positive squares in only one way, i.e., 2396304 + 35344 = 1548^2 + 188^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37963 + ... + 38026.

2^2431648 is an apocalyptic number.

It is an amenable number.

2431648 is a deficient number, since it is larger than the sum of its proper divisors (2355722).

2431648 is an equidigital number, since it uses as much as digits as its factorization.

2431648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75999 (or 75991 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 2431648 is about 1559.3742334667. The cubic root of 2431648 is about 134.4725279362.

It can be divided in two parts, 243 and 1648, that added together give a triangular number (1891 = T₆₁).

The spelling of 2431648 in words is "two million, four hundred thirty-one thousand, six hundred forty-eight".