28797435 has 24 divisors (see below), whose sum is σ = 51639120. Its totient is φ = 14828352.

The previous prime is 28797427. The next prime is 28797443. The reversal of 28797435 is 53479782.

It is an interprime number because it is at equal distance from previous prime (28797427) and next prime (28797443).

It is not a de Polignac number, because 28797435 - 2³ = 28797427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9729 + ... + 12338.

It is an arithmetic number, because the mean of its divisors is an integer number (2151630).

Almost surely, 2^28797435 is an apocalyptic number.

28797435 is a deficient number, since it is larger than the sum of its proper divisors (22841685).

28797435 is a wasteful number, since it uses less digits than its factorization.

28797435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22107 (or 22104 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 28797435 is about 5366.3241609131. The cubic root of 28797435 is about 306.5146727627.

The spelling of 28797435 in words is "twenty-eight million, seven hundred ninety-seven thousand, four hundred thirty-five".