3974034987 has 64 divisors (see below), whose sum is σ = 6722437120. Its totient is φ = 2302473600.

The previous prime is 3974034959. The next prime is 3974034991. The reversal of 3974034987 is 7894304793.

It is not a de Polignac number, because 3974034987 - 2⁷ = 3974034859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3974034907) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 397662 + ... + 407532.

It is an arithmetic number, because the mean of its divisors is an integer number (105038080).

Almost surely, 2^3974034987 is an apocalyptic number.

3974034987 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3974034987 is a deficient number, since it is larger than the sum of its proper divisors (2748402133).

3974034987 is a wasteful number, since it uses less digits than its factorization.

3974034987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9961 (or 9955 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 3974034987 is about 63039.9475491533. The cubic root of 3974034987 is about 1583.9588523804.

The spelling of 3974034987 in words is "three billion, nine hundred seventy-four million, thirty-four thousand, nine hundred eighty-seven".