197880892 has 12 divisors (see below), whose sum is σ = 377772696. Its totient is φ = 89945840.

The previous prime is 197880869. The next prime is 197880899. The reversal of 197880892 is 298088791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197880899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2248603 + ... + 2248690.

It is an arithmetic number, because the mean of its divisors is an integer number (31481058).

Almost surely, 2^197880892 is an apocalyptic number.

It is an amenable number.

197880892 is a deficient number, since it is larger than the sum of its proper divisors (179891804).

197880892 is a wasteful number, since it uses less digits than its factorization.

197880892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497308 (or 4497306 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 197880892 is about 14067.0143242978. The cubic root of 197880892 is about 582.7307731314.

The spelling of 197880892 in words is "one hundred ninety-seven million, eight hundred eighty thousand, eight hundred ninety-two".