2971380 has 24 divisors (see below), whose sum is σ = 8320032. Its totient is φ = 792352.

The previous prime is 2971363. The next prime is 2971399. The reversal of 2971380 is 831792.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24702 + ... + 24821.

It is an arithmetic number, because the mean of its divisors is an integer number (346668).

2^2971380 is an apocalyptic number.

2971380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2971380 is an abundant number, since it is smaller than the sum of its proper divisors (5348652).

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

2971380 is a wasteful number, since it uses less digits than its factorization.

2971380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49535 (or 49533 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2971380 is about 1723.7691260723. The cubic root of 2971380 is about 143.7648554276.

The spelling of 2971380 in words is "two million, nine hundred seventy-one thousand, three hundred eighty".