3969078 has 8 divisors (see below), whose sum is σ = 7938168. Its totient is φ = 1323024.

The previous prime is 3969071. The next prime is 3969137. The reversal of 3969078 is 8709693.

It is a happy number.

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

3969078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330751 + ... + 330762.

It is an arithmetic number, because the mean of its divisors is an integer number (992271).

Almost surely, 2^3969078 is an apocalyptic number.

3969078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3969078 is a wasteful number, since it uses less digits than its factorization.

3969078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661518.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 3969078 is about 1992.2545018145. The cubic root of 3969078 is about 158.3299998067.

The spelling of 3969078 in words is "three million, nine hundred sixty-nine thousand, seventy-eight".