198962870 has 16 divisors (see below), whose sum is σ = 376982640. Its totient is φ = 75396384.

The previous prime is 198962861. The next prime is 198962879. The reversal of 198962870 is 78269891.

It is an interprime number because it is at equal distance from previous prime (198962861) and next prime (198962879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198962879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523397 + ... + 523776.

It is an arithmetic number, because the mean of its divisors is an integer number (23561415).

Almost surely, 2^198962870 is an apocalyptic number.

198962870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198962870 is a deficient number, since it is larger than the sum of its proper divisors (178019770).

198962870 is a wasteful number, since it uses less digits than its factorization.

198962870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047199.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 198962870 is about 14105.4198803155. The cubic root of 198962870 is about 583.7909330931.

The spelling of 198962870 in words is "one hundred ninety-eight million, nine hundred sixty-two thousand, eight hundred seventy".