28295949 has 8 divisors (see below), whose sum is σ = 41157792. Its totient is φ = 17149040.

The previous prime is 28295941. The next prime is 28295977. The reversal of 28295949 is 94959282.

It is a happy number.

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 28295949 - 2³ = 28295941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28295898 and 28295907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28295941) 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, 428694 + ... + 428759.

It is an arithmetic number, because the mean of its divisors is an integer number (5144724).

Almost surely, 2^28295949 is an apocalyptic number.

It is an amenable number.

28295949 is a deficient number, since it is larger than the sum of its proper divisors (12861843).

28295949 is a wasteful number, since it uses less digits than its factorization.

28295949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857467.

The product of its digits is 466560, while the sum is 48.

The square root of 28295949 is about 5319.3936684551. The cubic root of 28295949 is about 304.7250016115.

It can be divided in two parts, 2829 and 5949, that added together give a palindrome (8778).

The spelling of 28295949 in words is "twenty-eight million, two hundred ninety-five thousand, nine hundred forty-nine".