197714790 has 192 divisors, whose sum is σ = 653529600. Its totient is φ = 41648256.

The previous prime is 197714771. The next prime is 197714813. The reversal of 197714790 is 97417791.

It is a super-2 number, since 2×197714790² = 78182276369488200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 319101 + ... + 319719.

It is an arithmetic number, because the mean of its divisors is an integer number (3403800).

Almost surely, 2^197714790 is an apocalyptic number.

197714790 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 197714790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326764800).

197714790 is an abundant number, since it is smaller than the sum of its proper divisors (455814810).

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

197714790 is a wasteful number, since it uses less digits than its factorization.

197714790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 197714790 is about 14061.1091312172. The cubic root of 197714790 is about 582.5676786536.

The spelling of 197714790 in words is "one hundred ninety-seven million, seven hundred fourteen thousand, seven hundred ninety".