1198950 has 24 divisors (see below), whose sum is σ = 2973768. Its totient is φ = 319680.

The previous prime is 1198949. The next prime is 1198973. The reversal of 1198950 is 598911.

It is a super-2 number, since 2×1198950² = 2874962205000, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3847 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (123907).

2^1198950 is an apocalyptic number.

1198950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1198950 is an abundant number, since it is smaller than the sum of its proper divisors (1774818).

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

1198950 is a wasteful number, since it uses less digits than its factorization.

1198950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008 (or 8003 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 1198950 is about 1094.9657528891. The cubic root of 1198950 is about 106.2348536656.

The spelling of 1198950 in words is "one million, one hundred ninety-eight thousand, nine hundred fifty".