198349620 has 48 divisors (see below), whose sum is σ = 634720128. Its totient is φ = 45336960.

The previous prime is 198349601. The next prime is 198349621. The reversal of 198349620 is 26943891.

198349620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198349621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235711 + ... + 236550.

It is an arithmetic number, because the mean of its divisors is an integer number (13223336).

Almost surely, 2^198349620 is an apocalyptic number.

198349620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198349620 is an abundant number, since it is smaller than the sum of its proper divisors (436370508).

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

198349620 is a wasteful number, since it uses less digits than its factorization.

198349620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472280 (or 472278 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 198349620 is about 14083.6650059564. The cubic root of 198349620 is about 583.1905225004.

The spelling of 198349620 in words is "one hundred ninety-eight million, three hundred forty-nine thousand, six hundred twenty".