2491857348 has 48 divisors (see below), whose sum is σ = 6204893184. Its totient is φ = 775595520.

The previous prime is 2491857343. The next prime is 2491857377. The reversal of 2491857348 is 8437581942.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2491857348.

It is not an unprimeable number, because it can be changed into a prime (2491857343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22183 + ... + 73998.

It is an arithmetic number, because the mean of its divisors is an integer number (129268608).

Almost surely, 2^2491857348 is an apocalyptic number.

It is an amenable number.

2491857348 is an abundant number, since it is smaller than the sum of its proper divisors (3713035836).

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

2491857348 is a wasteful number, since it uses less digits than its factorization.

2491857348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96332 (or 96330 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 2491857348 is about 49918.5070690220. The cubic root of 2491857348 is about 1355.7337017635.

The spelling of 2491857348 in words is "two billion, four hundred ninety-one million, eight hundred fifty-seven thousand, three hundred forty-eight".