3908978014 has 8 divisors (see below), whose sum is σ = 5896224360. Its totient is φ = 1943569896.

The previous prime is 3908978009. The next prime is 3908978023. The reversal of 3908978014 is 4108798093.

It is a happy number.

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

It is a super-2 number, since 2×3908978014² = 30560218227870768392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5459109 + ... + 5459824.

It is an arithmetic number, because the mean of its divisors is an integer number (737028045).

Almost surely, 2^3908978014 is an apocalyptic number.

3908978014 is a deficient number, since it is larger than the sum of its proper divisors (1987246346).

3908978014 is a wasteful number, since it uses less digits than its factorization.

3908978014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919114.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 3908978014 is about 62521.8203029950. The cubic root of 3908978014 is about 1575.2678491636.

The spelling of 3908978014 in words is "three billion, nine hundred eight million, nine hundred seventy-eight thousand, fourteen".