197488350 has 72 divisors (see below), whose sum is σ = 553683312. Its totient is φ = 50371200.

The previous prime is 197488331. The next prime is 197488367. The reversal of 197488350 is 53884791.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 197488296 and 197488305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 810 + ... + 19890.

It is an arithmetic number, because the mean of its divisors is an integer number (7690046).

Almost surely, 2^197488350 is an apocalyptic number.

197488350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 197488350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276841656).

197488350 is an abundant number, since it is smaller than the sum of its proper divisors (356194962).

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

197488350 is a wasteful number, since it uses less digits than its factorization.

197488350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19122 (or 19114 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 197488350 is about 14053.0548280436. The cubic root of 197488350 is about 582.3451914740.

The spelling of 197488350 in words is "one hundred ninety-seven million, four hundred eighty-eight thousand, three hundred fifty".