197949852 has 48 divisors (see below), whose sum is σ = 527084320. Its totient is φ = 64198656.

The previous prime is 197949841. The next prime is 197949907. The reversal of 197949852 is 258949791.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20773 + ... + 28764.

Almost surely, 2^197949852 is an apocalyptic number.

197949852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197949852 is an abundant number, since it is smaller than the sum of its proper divisors (329134468).

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

197949852 is a wasteful number, since it uses less digits than its factorization.

197949852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49587 (or 49579 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 197949852 is about 14069.4652350400. The cubic root of 197949852 is about 582.7984576975.

It can be divided in two parts, 19794 and 9852, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 197949852 in words is "one hundred ninety-seven million, nine hundred forty-nine thousand, eight hundred fifty-two".