28132354 has 4 divisors (see below), whose sum is σ = 42198534. Its totient is φ = 14066176.

The previous prime is 28132339. The next prime is 28132361. The reversal of 28132354 is 45323182.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45323182 = 2 ⋅22661591.

It can be written as a sum of positive squares in only one way, i.e., 23785129 + 4347225 = 4877^2 + 2085^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7033087 + ... + 7033090.

Almost surely, 2^28132354 is an apocalyptic number.

28132354 is a deficient number, since it is larger than the sum of its proper divisors (14066180).

28132354 is a wasteful number, since it uses less digits than its factorization.

28132354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14066179.

The product of its digits is 5760, while the sum is 28.

The square root of 28132354 is about 5303.9941553512. The cubic root of 28132354 is about 304.1366032546.

The spelling of 28132354 in words is "twenty-eight million, one hundred thirty-two thousand, three hundred fifty-four".