19972962 has 12 divisors (see below), whose sum is σ = 43274790. Its totient is φ = 6657648.

The previous prime is 19972957. The next prime is 19972963. The reversal of 19972962 is 26927991.

It can be written as a sum of positive squares in only one way, i.e., 16088121 + 3884841 = 4011^2 + 1971^2 .

It is a super-2 number, since 2×19972962² = 797838422106888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19972963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 554787 + ... + 554822.

Almost surely, 2^19972962 is an apocalyptic number.

19972962 is an abundant number, since it is smaller than the sum of its proper divisors (23301828).

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

19972962 is a wasteful number, since it uses less digits than its factorization.

19972962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109617 (or 1109614 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 19972962 is about 4469.1119923314. Note that the first 3 decimals coincide. The cubic root of 19972962 is about 271.3193857904.

The spelling of 19972962 in words is "nineteen million, nine hundred seventy-two thousand, nine hundred sixty-two".