3619972 has 12 divisors (see below), whose sum is σ = 6489756. Its totient is φ = 1765760.

The previous prime is 3619961. The next prime is 3619981. The reversal of 3619972 is 2799163.

3619972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1893376 + 1726596 = 1376^2 + 1314^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10873 + ... + 11200.

It is an arithmetic number, because the mean of its divisors is an integer number (540813).

Almost surely, 2^3619972 is an apocalyptic number.

It is an amenable number.

3619972 is a deficient number, since it is larger than the sum of its proper divisors (2869784).

3619972 is a wasteful number, since it uses less digits than its factorization.

3619972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22118 (or 22116 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 3619972 is about 1902.6224007932. The cubic root of 3619972 is about 153.5447849320.

The spelling of 3619972 in words is "three million, six hundred nineteen thousand, nine hundred seventy-two".