3920147 has 16 divisors (see below), whose sum is σ = 4992000. Its totient is φ = 3051720.

The previous prime is 3920141. The next prime is 3920153. The reversal of 3920147 is 7410293.

3920147 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3920141) and next prime (3920153).

It is not a de Polignac number, because 3920147 - 2⁴ = 3920131 is a prime.

It is a Duffinian number.

3920147 is strictly pandigital in base 8.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (3920141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3254 + ... + 4292.

It is an arithmetic number, because the mean of its divisors is an integer number (312000).

Almost surely, 2^3920147 is an apocalyptic number.

3920147 is a deficient number, since it is larger than the sum of its proper divisors (1071853).

3920147 is a wasteful number, since it uses less digits than its factorization.

3920147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3920147 is about 1979.9361100803. The cubic root of 3920147 is about 157.6766741713.

The spelling of 3920147 in words is "three million, nine hundred twenty thousand, one hundred forty-seven".