3914978 has 8 divisors (see below), whose sum is σ = 6009168. Its totient is φ = 1911924.

The previous prime is 3914957. The next prime is 3914983. The reversal of 3914978 is 8794193.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22676 + ... + 22847.

It is an arithmetic number, because the mean of its divisors is an integer number (751146).

Almost surely, 2^3914978 is an apocalyptic number.

3914978 is a deficient number, since it is larger than the sum of its proper divisors (2094190).

3914978 is a wasteful number, since it uses less digits than its factorization.

3914978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45568.

The product of its digits is 54432, while the sum is 41.

The square root of 3914978 is about 1978.6303343475. The cubic root of 3914978 is about 157.6073409535.

The spelling of 3914978 in words is "three million, nine hundred fourteen thousand, nine hundred seventy-eight".