10628091 has 28 divisors (see below), whose sum is σ = 16263840. Its totient is φ = 6940080.

The previous prime is 10628081. The next prime is 10628099. The reversal of 10628091 is 19082601.

It is not a de Polignac number, because 10628091 - 2⁶ = 10628027 is a prime.

It is a super-2 number, since 2×10628091² = 225912636608562, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (10628099) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 44350 + ... + 44588.

Almost surely, 2^10628091 is an apocalyptic number.

10628091 is a deficient number, since it is larger than the sum of its proper divisors (5635749).

10628091 is an frugal number, since it uses more digits than its factorization.

10628091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 10628091 is about 3260.0753058787. The cubic root of 10628091 is about 219.8628001300.

The spelling of 10628091 in words is "ten million, six hundred twenty-eight thousand, ninety-one".