28487214 has 40 divisors (see below), whose sum is σ = 72954288. Its totient is φ = 8138880.

The previous prime is 28487197. The next prime is 28487219. The reversal of 28487214 is 41278482.

It is a super-2 number, since 2×28487214² = 1623042722963592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28487219) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11427 + ... + 13694.

Almost surely, 2^28487214 is an apocalyptic number.

28487214 is an abundant number, since it is smaller than the sum of its proper divisors (44467074).

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

28487214 is a wasteful number, since it uses less digits than its factorization.

28487214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25142 (or 25133 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 28487214 is about 5337.3414730557. The cubic root of 28487214 is about 305.4100513519.

The spelling of 28487214 in words is "twenty-eight million, four hundred eighty-seven thousand, two hundred fourteen".