3491491488 has 48 divisors (see below), whose sum is σ = 9249276960. Its totient is φ = 1153149696.

The previous prime is 3491491463. The next prime is 3491491499. The reversal of 3491491488 is 8841941943.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3491491488.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156370 + ... + 177297.

It is an arithmetic number, because the mean of its divisors is an integer number (192693270).

Almost surely, 2^3491491488 is an apocalyptic number.

It is an amenable number.

3491491488 is an abundant number, since it is smaller than the sum of its proper divisors (5757785472).

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

3491491488 is a wasteful number, since it uses less digits than its factorization.

3491491488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333789 (or 333781 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 3491491488 is about 59088.8440232164. The cubic root of 3491491488 is about 1517.0631612463.

The spelling of 3491491488 in words is "three billion, four hundred ninety-one million, four hundred ninety-one thousand, four hundred eighty-eight".