2947900 has 36 divisors (see below), whose sum is σ = 6562080. Its totient is φ = 1148800.

The previous prime is 2947897. The next prime is 2947939. The reversal of 2947900 is 97492.

It is a super-2 number, since 2×2947900² = 17380228820000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3741 + ... + 4459.

It is an arithmetic number, because the mean of its divisors is an integer number (182280).

2^2947900 is an apocalyptic number.

2947900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2947900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3281040).

2947900 is an abundant number, since it is smaller than the sum of its proper divisors (3614180).

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

2947900 is a wasteful number, since it uses less digits than its factorization.

2947900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2947900 is about 1716.9449612611. The cubic root of 2947900 is about 143.3851744453.

The spelling of 2947900 in words is "two million, nine hundred forty-seven thousand, nine hundred".