10528380 has 120 divisors (see below), whose sum is σ = 33866448. Its totient is φ = 2737152.

The previous prime is 10528367. The next prime is 10528403. The reversal of 10528380 is 8382501.

It is a happy number.

It is a super-2 number, since 2×10528380² = 221693570848800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 108492 + ... + 108588.

Almost surely, 2^10528380 is an apocalyptic number.

10528380 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 10528380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16933224).

10528380 is an abundant number, since it is smaller than the sum of its proper divisors (23338068).

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

10528380 is a wasteful number, since it uses less digits than its factorization.

10528380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 10528380 is about 3244.7465232280. The cubic root of 10528380 is about 219.1730664245.

The spelling of 10528380 in words is "ten million, five hundred twenty-eight thousand, three hundred eighty".