3427972 has 6 divisors (see below), whose sum is σ = 5998958. Its totient is φ = 1713984.

The previous prime is 3427967. The next prime is 3427973. The reversal of 3427972 is 2797243.

It can be written as a sum of positive squares in only one way, i.e., 3048516 + 379456 = 1746^2 + 616^2 .

It is not an unprimeable number, because it can be changed into a prime (3427973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428493 + ... + 428500.

Almost surely, 2^3427972 is an apocalyptic number.

It is an amenable number.

3427972 is a deficient number, since it is larger than the sum of its proper divisors (2570986).

3427972 is a wasteful number, since it uses less digits than its factorization.

3427972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856997 (or 856995 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 3427972 is about 1851.4783282556. The cubic root of 3427972 is about 150.7807000374.

The spelling of 3427972 in words is "three million, four hundred twenty-seven thousand, nine hundred seventy-two".