28614783 has 8 divisors (see below), whose sum is σ = 39811968. Its totient is φ = 18247064.

The previous prime is 28614763. The next prime is 28614811. The reversal of 28614783 is 38741682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28614783 - 2⁸ = 28614527 is a prime.

It is a super-2 number, since 2×28614783² = 1637611612274178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28614713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207285 + ... + 207422.

It is an arithmetic number, because the mean of its divisors is an integer number (4976496).

Almost surely, 2^28614783 is an apocalyptic number.

28614783 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28614783 is a deficient number, since it is larger than the sum of its proper divisors (11197185).

28614783 is a wasteful number, since it uses less digits than its factorization.

28614783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414733.

The product of its digits is 64512, while the sum is 39.

The square root of 28614783 is about 5349.2787364279. The cubic root of 28614783 is about 305.8652595731.

The spelling of 28614783 in words is "twenty-eight million, six hundred fourteen thousand, seven hundred eighty-three".