3442421987 has 8 divisors (see below), whose sum is σ = 3722469696. Its totient is φ = 3170991232.

The previous prime is 3442421971. The next prime is 3442421993. The reversal of 3442421987 is 7891242443.

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

It is not a de Polignac number, because 3442421987 - 2⁴ = 3442421971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3442426987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2153408 + ... + 2155005.

It is an arithmetic number, because the mean of its divisors is an integer number (465308712).

Almost surely, 2^3442421987 is an apocalyptic number.

3442421987 is a deficient number, since it is larger than the sum of its proper divisors (280047709).

3442421987 is a wasteful number, since it uses less digits than its factorization.

3442421987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308477.

The product of its digits is 387072, while the sum is 44.

The square root of 3442421987 is about 58672.1568292832. The cubic root of 3442421987 is about 1509.9226583488.

The spelling of 3442421987 in words is "three billion, four hundred forty-two million, four hundred twenty-one thousand, nine hundred eighty-seven".