28957953 has 16 divisors (see below), whose sum is σ = 41380416. Its totient is φ = 17948160.

The previous prime is 28957927. The next prime is 28957961. The reversal of 28957953 is 35975982.

It is a happy number.

It is not a de Polignac number, because 28957953 - 2¹² = 28953857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28957153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (2586276).

Almost surely, 2^28957953 is an apocalyptic number.

It is an amenable number.

28957953 is a deficient number, since it is larger than the sum of its proper divisors (12422463).

28957953 is a wasteful number, since it uses less digits than its factorization.

28957953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944.

The product of its digits is 680400, while the sum is 48.

The square root of 28957953 is about 5381.2594250789. The cubic root of 28957953 is about 307.0831260292.

The spelling of 28957953 in words is "twenty-eight million, nine hundred fifty-seven thousand, nine hundred fifty-three".