9428769 has 24 divisors (see below), whose sum is σ = 16386240. Its totient is φ = 5103648.

The previous prime is 9428759. The next prime is 9428777. The reversal of 9428769 is 9678249.

It is a happy number.

It is not a de Polignac number, because 9428769 - 2⁷ = 9428641 is a prime.

It is a super-2 number, since 2×9428769² = 177803369710722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 9⁵ + 4⁸ + 2²³ + 8⁵ + 7⁷ + 6³ + 9⁵ .

9428769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9428759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2742 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (682760).

Almost surely, 2^9428769 is an apocalyptic number.

It is an amenable number.

9428769 is a deficient number, since it is larger than the sum of its proper divisors (6957471).

9428769 is a wasteful number, since it uses less digits than its factorization.

9428769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909 (or 7906 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 9428769 is about 3070.6300656380. The cubic root of 9428769 is about 211.2605139312.

The spelling of 9428769 in words is "nine million, four hundred twenty-eight thousand, seven hundred sixty-nine".