19630852 has 12 divisors (see below), whose sum is σ = 36374940. Its totient is φ = 9238016.

The previous prime is 19630823. The next prime is 19630879. The reversal of 19630852 is 25803691.

It can be written as a sum of positive squares in 2 ways, for example, as 13793796 + 5837056 = 3714^2 + 2416^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144277 + ... + 144412.

It is an arithmetic number, because the mean of its divisors is an integer number (3031245).

Almost surely, 2^19630852 is an apocalyptic number.

It is an amenable number.

19630852 is a deficient number, since it is larger than the sum of its proper divisors (16744088).

19630852 is a wasteful number, since it uses less digits than its factorization.

19630852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288710 (or 288708 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 19630852 is about 4430.6717323675. The cubic root of 19630852 is about 269.7613437521.

The spelling of 19630852 in words is "nineteen million, six hundred thirty thousand, eight hundred fifty-two".