28902854 has 4 divisors (see below), whose sum is σ = 43354284. Its totient is φ = 14451426.

The previous prime is 28902851. The next prime is 28902859. The reversal of 28902854 is 45820982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45820982 = 2 ⋅22910491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28902851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7225712 + ... + 7225715.

It is an arithmetic number, because the mean of its divisors is an integer number (10838571).

Almost surely, 2^28902854 is an apocalyptic number.

28902854 is a deficient number, since it is larger than the sum of its proper divisors (14451430).

28902854 is a wasteful number, since it uses less digits than its factorization.

28902854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14451429.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 28902854 is about 5376.1374610402. The cubic root of 28902854 is about 306.8882375315. Note that the first 3 decimals are identical.

The spelling of 28902854 in words is "twenty-eight million, nine hundred two thousand, eight hundred fifty-four".