3973178 has 16 divisors (see below), whose sum is σ = 6613920. Its totient is φ = 1774800.

The previous prime is 3973163. The next prime is 3973183. The reversal of 3973178 is 8713793.

It is a happy number.

It is a super-2 number, since 2×3973178² = 31572286839368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (413370).

Almost surely, 2^3973178 is an apocalyptic number.

3973178 is a deficient number, since it is larger than the sum of its proper divisors (2640742).

3973178 is a wasteful number, since it uses less digits than its factorization.

3973178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133.

The product of its digits is 31752, while the sum is 38.

The square root of 3973178 is about 1993.2832212207. The cubic root of 3973178 is about 158.3844985766.

It can be divided in two parts, 397 and 3178, that multiplied together give a triangular number (1261666 = T₁₅₈₈).

The spelling of 3973178 in words is "three million, nine hundred seventy-three thousand, one hundred seventy-eight".