3427987406 has 16 divisors (see below), whose sum is σ = 5453542080. Its totient is φ = 1610476800.

The previous prime is 3427987403. The next prime is 3427987411. The reversal of 3427987406 is 6047897243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3427987403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63446 + ... + 104313.

It is an arithmetic number, because the mean of its divisors is an integer number (340846380).

Almost surely, 2^3427987406 is an apocalyptic number.

3427987406 is a deficient number, since it is larger than the sum of its proper divisors (2025554674).

3427987406 is a wasteful number, since it uses less digits than its factorization.

3427987406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168379.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The square root of 3427987406 is about 58549.0171224078. The cubic root of 3427987406 is about 1507.8092591669.

The spelling of 3427987406 in words is "three billion, four hundred twenty-seven million, nine hundred eighty-seven thousand, four hundred six".