1198380 has 24 divisors (see below), whose sum is σ = 3355632. Its totient is φ = 319552.

The previous prime is 1198363. The next prime is 1198397. The reversal of 1198380 is 838911.

It is an interprime number because it is at equal distance from previous prime (1198363) and next prime (1198397).

It is a super-2 number, since 2×1198380² = 2872229248800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9927 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (139818).

2^1198380 is an apocalyptic number.

1198380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1198380 is an abundant number, since it is smaller than the sum of its proper divisors (2157252).

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

1198380 is a wasteful number, since it uses less digits than its factorization.

1198380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19985 (or 19983 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1198380 is about 1094.7054398330. The cubic root of 1198380 is about 106.2180157477.

The spelling of 1198380 in words is "one million, one hundred ninety-eight thousand, three hundred eighty".