4209972 has 24 divisors (see below), whose sum is σ = 10579296. Its totient is φ = 1295328.

The previous prime is 4209937. The next prime is 4209977. The reversal of 4209972 is 2799024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4209977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13338 + ... + 13649.

It is an arithmetic number, because the mean of its divisors is an integer number (440804).

Almost surely, 2^4209972 is an apocalyptic number.

It is an amenable number.

4209972 is an abundant number, since it is smaller than the sum of its proper divisors (6369324).

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

4209972 is a wasteful number, since it uses less digits than its factorization.

4209972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27007 (or 27005 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 4209972 is about 2051.8216296745. The cubic root of 4209972 is about 161.4704550298.

The spelling of 4209972 in words is "four million, two hundred nine thousand, nine hundred seventy-two".