28767465 has 24 divisors (see below), whose sum is σ = 50139648. Its totient is φ = 15257760.

The previous prime is 28767461. The next prime is 28767467. The reversal of 28767465 is 56476782.

It is not a de Polignac number, because 28767465 - 2² = 28767461 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28767465.

It is not an unprimeable number, because it can be changed into a prime (28767461) 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, 6922 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (2089152).

Almost surely, 2^28767465 is an apocalyptic number.

It is an amenable number.

28767465 is a deficient number, since it is larger than the sum of its proper divisors (21372183).

28767465 is a wasteful number, since it uses less digits than its factorization.

28767465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549 (or 3546 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 28767465 is about 5363.5310197667. The cubic root of 28767465 is about 306.4083041070.

The spelling of 28767465 in words is "twenty-eight million, seven hundred sixty-seven thousand, four hundred sixty-five".