18970532 has 24 divisors (see below), whose sum is σ = 38177664. Its totient is φ = 8079552.

The previous prime is 18970519. The next prime is 18970541. The reversal of 18970532 is 23507981.

It is a junction number, because it is equal to n+sod(n) for n = 18970492 and 18970501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648 + ... + 6704.

It is an arithmetic number, because the mean of its divisors is an integer number (1590736).

Almost surely, 2^18970532 is an apocalyptic number.

It is an amenable number.

18970532 is an abundant number, since it is smaller than the sum of its proper divisors (19207132).

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

18970532 is a wasteful number, since it uses less digits than its factorization.

18970532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235 (or 4233 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 18970532 is about 4355.5174204680. The cubic root of 18970532 is about 266.7021418082.

The spelling of 18970532 in words is "eighteen million, nine hundred seventy thousand, five hundred thirty-two".