2981970 has 48 divisors (see below), whose sum is σ = 8213400. Its totient is φ = 748032.

The previous prime is 2981963. The next prime is 2981981. The reversal of 2981970 is 791892.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2913849 + 68121 = 1707^2 + 261^2 .

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556 + ... + 2504.

2^2981970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2981970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4106700).

2981970 is an abundant number, since it is smaller than the sum of its proper divisors (5231430).

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

2981970 is a wasteful number, since it uses less digits than its factorization.

2981970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2981970 is about 1726.8381510726. The cubic root of 2981970 is about 143.9354456020.

The spelling of 2981970 in words is "two million, nine hundred eighty-one thousand, nine hundred seventy".