198651480 has 64 divisors (see below), whose sum is σ = 598514400. Its totient is φ = 52746240.

The previous prime is 198651463. The next prime is 198651487. The reversal of 198651480 is 84156891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198651487) 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, 25486 + ... + 32354.

Almost surely, 2^198651480 is an apocalyptic number.

198651480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198651480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299257200).

198651480 is an abundant number, since it is smaller than the sum of its proper divisors (399862920).

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

198651480 is a wasteful number, since it uses less digits than its factorization.

198651480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124 (or 7120 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 198651480 is about 14094.3776024342. The cubic root of 198651480 is about 583.4862169800.

The spelling of 198651480 in words is "one hundred ninety-eight million, six hundred fifty-one thousand, four hundred eighty".