28755416 has 8 divisors (see below), whose sum is σ = 53916420. Its totient is φ = 14377704.

The previous prime is 28755413. The next prime is 28755421. The reversal of 28755416 is 61455782.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 28755416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28755413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1797206 + ... + 1797221.

Almost surely, 2^28755416 is an apocalyptic number.

It is an amenable number.

28755416 is a deficient number, since it is larger than the sum of its proper divisors (25161004).

28755416 is a wasteful number, since it uses less digits than its factorization.

28755416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594433 (or 3594429 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 28755416 is about 5362.4076682028. The cubic root of 28755416 is about 306.3655193243.

The spelling of 28755416 in words is "twenty-eight million, seven hundred fifty-five thousand, four hundred sixteen".