3491461640 has 32 divisors (see below), whose sum is σ = 8197346880. Its totient is φ = 1335863232.

The previous prime is 3491461639. The next prime is 3491461661. The reversal of 3491461640 is 461641943.

It is a junction number, because it is equal to n+sod(n) for n = 3491461594 and 3491461603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896614 + ... + 1898453.

It is an arithmetic number, because the mean of its divisors is an integer number (256167090).

Almost surely, 2^3491461640 is an apocalyptic number.

It is an amenable number.

3491461640 is an abundant number, since it is smaller than the sum of its proper divisors (4705885240).

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

3491461640 is a wasteful number, since it uses less digits than its factorization.

3491461640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795101 (or 3795097 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 3491461640 is about 59088.5914538500. The cubic root of 3491461640 is about 1517.0588382199.

The spelling of 3491461640 in words is "three billion, four hundred ninety-one million, four hundred sixty-one thousand, six hundred forty".