3921610487 has 8 divisors (see below), whose sum is σ = 4017698496. Its totient is φ = 3826049632.

The previous prime is 3921610447. The next prime is 3921610489. The reversal of 3921610487 is 7840161293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3921610487 - 2²² = 3917416183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921610489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116708 + ... + 146505.

It is an arithmetic number, because the mean of its divisors is an integer number (502212312).

Almost surely, 2^3921610487 is an apocalyptic number.

3921610487 is a deficient number, since it is larger than the sum of its proper divisors (96088009).

3921610487 is a wasteful number, since it uses less digits than its factorization.

3921610487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263577.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 3921610487 is about 62622.7633293198. The cubic root of 3921610487 is about 1576.9629325297.

The spelling of 3921610487 in words is "three billion, nine hundred twenty-one million, six hundred ten thousand, four hundred eighty-seven".