28914246 has 40 divisors (see below), whose sum is σ = 68607000. Its totient is φ = 9070272.

The previous prime is 28914241. The next prime is 28914269. The reversal of 28914246 is 64241982.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28914246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28914241) 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, 2496 + ... + 8003.

It is an arithmetic number, because the mean of its divisors is an integer number (1715175).

Almost surely, 2^28914246 is an apocalyptic number.

28914246 is an abundant number, since it is smaller than the sum of its proper divisors (39692754).

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

28914246 is a wasteful number, since it uses less digits than its factorization.

28914246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530 (or 10521 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 28914246 is about 5377.1968533800. The cubic root of 28914246 is about 306.9285520229.

Subtracting from 28914246 its sum of digits (36), we obtain a triangular number (28914210 = T₇₆₀₄).

It can be divided in two parts, 289 and 14246, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 28914246 in words is "twenty-eight million, nine hundred fourteen thousand, two hundred forty-six".