197502240 has 192 divisors, whose sum is σ = 692278272. Its totient is φ = 47001600.

The previous prime is 197502233. The next prime is 197502251. The reversal of 197502240 is 42205791.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 197502198 and 197502207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192930 + ... + 193950.

It is an arithmetic number, because the mean of its divisors is an integer number (3605616).

Almost surely, 2^197502240 is an apocalyptic number.

197502240 is a gapful number since it is divisible by the number (10) 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 197502240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346139136).

197502240 is an abundant number, since it is smaller than the sum of its proper divisors (494776032).

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

197502240 is a wasteful number, since it uses less digits than its factorization.

197502240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 197502240 is about 14053.5490179527. The cubic root of 197502240 is about 582.3588438997.

The spelling of 197502240 in words is "one hundred ninety-seven million, five hundred two thousand, two hundred forty".