3978088 has 8 divisors (see below), whose sum is σ = 7458930. Its totient is φ = 1989040.

The previous prime is 3978071. The next prime is 3978101. The reversal of 3978088 is 8808793.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2683044 + 1295044 = 1638^2 + 1138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248623 + ... + 248638.

Almost surely, 2^3978088 is an apocalyptic number.

It is an amenable number.

3978088 is a deficient number, since it is larger than the sum of its proper divisors (3480842).

3978088 is a wasteful number, since it uses less digits than its factorization.

3978088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497267 (or 497263 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 3978088 is about 1994.5144772601. The cubic root of 3978088 is about 158.4497148647.

The spelling of 3978088 in words is "three million, nine hundred seventy-eight thousand, eighty-eight".