1972036 has 12 divisors (see below), whose sum is σ = 3764880. Its totient is φ = 896360.

The previous prime is 1972031. The next prime is 1972037. The reversal of 1972036 is 6302791.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1971995 and 1972013.

It is not an unprimeable number, because it can be changed into a prime (1972031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22366 + ... + 22453.

It is an arithmetic number, because the mean of its divisors is an integer number (313740).

2^1972036 is an apocalyptic number.

It is an amenable number.

1972036 is a deficient number, since it is larger than the sum of its proper divisors (1792844).

1972036 is a wasteful number, since it uses less digits than its factorization.

1972036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44834 (or 44832 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1972036 is about 1404.2919924289. The cubic root of 1972036 is about 125.4021395496.

The spelling of 1972036 in words is "one million, nine hundred seventy-two thousand, thirty-six".