28353154 has 4 divisors (see below), whose sum is σ = 42529734. Its totient is φ = 14176576.

The previous prime is 28353151. The next prime is 28353163. The reversal of 28353154 is 45135382.

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., 27092025 + 1261129 = 5205^2 + 1123^2 .

It is not an unprimeable number, because it can be changed into a prime (28353151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7088287 + ... + 7088290.

Almost surely, 2^28353154 is an apocalyptic number.

28353154 is a deficient number, since it is larger than the sum of its proper divisors (14176580).

28353154 is a wasteful number, since it uses less digits than its factorization.

28353154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14176579.

The product of its digits is 14400, while the sum is 31.

The square root of 28353154 is about 5324.7679761657. The cubic root of 28353154 is about 304.9302142587.

The spelling of 28353154 in words is "twenty-eight million, three hundred fifty-three thousand, one hundred fifty-four".