2947972 has 6 divisors (see below), whose sum is σ = 5158958. Its totient is φ = 1473984.

The previous prime is 2947949. The next prime is 2947999. The reversal of 2947972 is 2797492.

It can be written as a sum of positive squares in only one way, i.e., 2452356 + 495616 = 1566^2 + 704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368493 + ... + 368500.

2^2947972 is an apocalyptic number.

It is an amenable number.

2947972 is a deficient number, since it is larger than the sum of its proper divisors (2210986).

2947972 is a wasteful number, since it uses less digits than its factorization.

2947972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736997 (or 736995 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 2947972 is about 1716.9659286078. The cubic root of 2947972 is about 143.3863417902.

The spelling of 2947972 in words is "two million, nine hundred forty-seven thousand, nine hundred seventy-two".