11449998 has 80 divisors (see below), whose sum is σ = 30666240. Its totient is φ = 3122064.

The previous prime is 11449979. The next prime is 11450003. The reversal of 11449998 is 89994411.

It is a super-2 number, since 2×11449998² = 262204908400008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25863 + ... + 26301.

It is an arithmetic number, because the mean of its divisors is an integer number (383328).

Almost surely, 2^11449998 is an apocalyptic number.

11449998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11449998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15333120).

11449998 is an abundant number, since it is smaller than the sum of its proper divisors (19216242).

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

11449998 is a wasteful number, since it uses less digits than its factorization.

11449998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 474 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 11449998 is about 3383.7845676107. The cubic root of 11449998 is about 225.3902560540.

The spelling of 11449998 in words is "eleven million, four hundred forty-nine thousand, nine hundred ninety-eight".