10997028 has 108 divisors (see below), whose sum is σ = 33971392. Its totient is φ = 2937600.

The previous prime is 10996969. The next prime is 10997039. The reversal of 10997028 is 82079901.

It is a happy number.

10997028 is digitally balanced in base 2 and base 4, because in such bases 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 10996983 and 10997001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72753 + ... + 72903.

Almost surely, 2^10997028 is an apocalyptic number.

10997028 is a gapful number since it is divisible by the number (18) 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 10997028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16985696).

10997028 is an abundant number, since it is smaller than the sum of its proper divisors (22974364).

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

10997028 is a wasteful number, since it uses less digits than its factorization.

10997028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 10997028 is about 3316.1767142298. The cubic root of 10997028 is about 222.3779779533.

The spelling of 10997028 in words is "ten million, nine hundred ninety-seven thousand, twenty-eight".