28354395 has 32 divisors (see below), whose sum is σ = 47628288. Its totient is φ = 14387328.

The previous prime is 28354393. The next prime is 28354399. The reversal of 28354395 is 59345382.

It is not a de Polignac number, because 28354395 - 2¹ = 28354393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28354393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25542 + ... + 26628.

It is an arithmetic number, because the mean of its divisors is an integer number (1488384).

Almost surely, 2^28354395 is an apocalyptic number.

28354395 is a deficient number, since it is larger than the sum of its proper divisors (19273893).

28354395 is a wasteful number, since it uses less digits than its factorization.

28354395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179.

The product of its digits is 129600, while the sum is 39.

The square root of 28354395 is about 5324.8845057898. The cubic root of 28354395 is about 304.9346630627.

The spelling of 28354395 in words is "twenty-eight million, three hundred fifty-four thousand, three hundred ninety-five".