2491948 has 6 divisors (see below), whose sum is σ = 4360916. Its totient is φ = 1245972.

The previous prime is 2491933. The next prime is 2491949. The reversal of 2491948 is 8491942.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2491949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311490 + ... + 311497.

2^2491948 is an apocalyptic number.

It is an amenable number.

2491948 is a deficient number, since it is larger than the sum of its proper divisors (1868968).

2491948 is a wasteful number, since it uses less digits than its factorization.

2491948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622991 (or 622989 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 2491948 is about 1578.5905105505. The cubic root of 2491948 is about 135.5750141774.

It can be divided in two parts, 249 and 1948, that added together give a cube (2197 = 13³).

The spelling of 2491948 in words is "two million, four hundred ninety-one thousand, nine hundred forty-eight".