28357854 has 16 divisors (see below), whose sum is σ = 64818048. Its totient is φ = 8102232.

The previous prime is 28357843. The next prime is 28357859. The reversal of 28357854 is 45875382.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 675187 = 28357854 / (2 + 8 + 3 + 5 + 7 + 8 + 5 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28357859) 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, 337552 + ... + 337635.

It is an arithmetic number, because the mean of its divisors is an integer number (4051128).

Almost surely, 2^28357854 is an apocalyptic number.

28357854 is an abundant number, since it is smaller than the sum of its proper divisors (36460194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28357854 is a wasteful number, since it uses less digits than its factorization.

28357854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675199.

The product of its digits is 268800, while the sum is 42.

The square root of 28357854 is about 5325.2092916617. The cubic root of 28357854 is about 304.9470623881.

The spelling of 28357854 in words is "twenty-eight million, three hundred fifty-seven thousand, eight hundred fifty-four".