18961352 has 16 divisors (see below), whose sum is σ = 36420300. Its totient is φ = 9249280.

The previous prime is 18961339. The next prime is 18961357. The reversal of 18961352 is 25316981.

It can be written as a sum of positive squares in 2 ways, for example, as 17255716 + 1705636 = 4154^2 + 1306^2 .

It is not an unprimeable number, because it can be changed into a prime (18961357) 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, 28577 + ... + 29232.

Almost surely, 2^18961352 is an apocalyptic number.

It is an amenable number.

18961352 is a deficient number, since it is larger than the sum of its proper divisors (17458948).

18961352 is a wasteful number, since it uses less digits than its factorization.

18961352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57856 (or 57852 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 18961352 is about 4354.4634571896. The cubic root of 18961352 is about 266.6591150639.

The spelling of 18961352 in words is "eighteen million, nine hundred sixty-one thousand, three hundred fifty-two".