3160978 has 4 divisors (see below), whose sum is σ = 4741470. Its totient is φ = 1580488.

The previous prime is 3160957. The next prime is 3160979. The reversal of 3160978 is 8790613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3157729 + 3249 = 1777^2 + 57^2 .

It is not an unprimeable number, because it can be changed into a prime (3160979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790243 + ... + 790246.

Almost surely, 2^3160978 is an apocalyptic number.

3160978 is a deficient number, since it is larger than the sum of its proper divisors (1580492).

3160978 is a wasteful number, since it uses less digits than its factorization.

3160978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580491.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3160978 is about 1777.9139461740. The cubic root of 3160978 is about 146.7598157131.

It can be divided in two parts, 31 and 60978, that added together give a square (61009 = 247²).

The spelling of 3160978 in words is "three million, one hundred sixty thousand, nine hundred seventy-eight".