3162978 has 48 divisors (see below), whose sum is σ = 8438976. Its totient is φ = 833760.

The previous prime is 3162977. The next prime is 3162989. The reversal of 3162978 is 8792613.

It is not an unprimeable number, because it can be changed into a prime (3162977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (175812).

Almost surely, 2^3162978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3162978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219488).

3162978 is an abundant number, since it is smaller than the sum of its proper divisors (5275998).

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

3162978 is a wasteful number, since it uses less digits than its factorization.

3162978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 1956 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3162978 is about 1778.4763141521. The cubic root of 3162978 is about 146.7907615942.

The spelling of 3162978 in words is "three million, one hundred sixty-two thousand, nine hundred seventy-eight".