10011428 has 12 divisors (see below), whose sum is σ = 20022912. Its totient is φ = 4290600.

The previous prime is 10011403. The next prime is 10011431. The reversal of 10011428 is 82411001.

10011428 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178748 + ... + 178803.

It is an arithmetic number, because the mean of its divisors is an integer number (1668576).

Almost surely, 2^10011428 is an apocalyptic number.

It is an amenable number.

10011428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10011428 is a wasteful number, since it uses less digits than its factorization.

10011428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357562 (or 357560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 10011428 is about 3164.0840696796. The cubic root of 10011428 is about 215.5255073588.

Adding to 10011428 its reverse (82411001), we get a palindrome (92422429).

The spelling of 10011428 in words is "ten million, eleven thousand, four hundred twenty-eight".