197802432 has 112 divisors (see below), whose sum is σ = 587227680. Its totient is φ = 65286144.

The previous prime is 197802427. The next prime is 197802433. The reversal of 197802432 is 234208791.

It is a super-2 number, since 2×197802432² = 78251604210229248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197802433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194758 + ... + 195770.

Almost surely, 2^197802432 is an apocalyptic number.

197802432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197802432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293613840).

197802432 is an abundant number, since it is smaller than the sum of its proper divisors (389425248).

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

197802432 is a wasteful number, since it uses less digits than its factorization.

197802432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 197802432 is about 14064.2252541688. The cubic root of 197802432 is about 582.6537451439.

The spelling of 197802432 in words is "one hundred ninety-seven million, eight hundred two thousand, four hundred thirty-two".