3979464890 has 32 divisors (see below), whose sum is σ = 7587676944. Its totient is φ = 1497502720.

The previous prime is 3979464847. The next prime is 3979464917. The reversal of 3979464890 is 984649793.

It is a Cunningham number, because it is equal to 63083²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 952154449 + 3027310441 = 30857^2 + 55021^2 .

It is a super-2 number, since 2×3979464890² = 31672281621485424200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 601400 + ... + 607980.

Almost surely, 2^3979464890 is an apocalyptic number.

3979464890 is a deficient number, since it is larger than the sum of its proper divisors (3608212054).

3979464890 is a wasteful number, since it uses less digits than its factorization.

3979464890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10162.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The square root of 3979464890 is about 63083.0000079261. Note that the first 5 decimals coincide. The cubic root of 3979464890 is about 1584.6799355053.

The spelling of 3979464890 in words is "three billion, nine hundred seventy-nine million, four hundred sixty-four thousand, eight hundred ninety".