28853402 has 4 divisors (see below), whose sum is σ = 43280106. Its totient is φ = 14426700.

The previous prime is 28853401. The next prime is 28853411. The reversal of 28853402 is 20435882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27237961 + 1615441 = 5219^2 + 1271^2 .

It is not an unprimeable number, because it can be changed into a prime (28853401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7213349 + ... + 7213352.

Almost surely, 2^28853402 is an apocalyptic number.

28853402 is a deficient number, since it is larger than the sum of its proper divisors (14426704).

28853402 is a wasteful number, since it uses less digits than its factorization.

28853402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14426703.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 28853402 is about 5371.5362793153. The cubic root of 28853402 is about 306.7131117955.

The spelling of 28853402 in words is "twenty-eight million, eight hundred fifty-three thousand, four hundred two".