28103354 has 4 divisors (see below), whose sum is σ = 42155034. Its totient is φ = 14051676.

The previous prime is 28103353. The next prime is 28103357. The reversal of 28103354 is 45330182.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45330182 = 2 ⋅22665091.

It can be written as a sum of positive squares in only one way, i.e., 27825625 + 277729 = 5275^2 + 527^2 .

It is not an unprimeable number, because it can be changed into a prime (28103353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7025837 + ... + 7025840.

Almost surely, 2^28103354 is an apocalyptic number.

28103354 is a deficient number, since it is larger than the sum of its proper divisors (14051680).

28103354 is a wasteful number, since it uses less digits than its factorization.

28103354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14051679.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 28103354 is about 5301.2596616276. The cubic root of 28103354 is about 304.0320617731.

The spelling of 28103354 in words is "twenty-eight million, one hundred three thousand, three hundred fifty-four".