28954234 has 4 divisors (see below), whose sum is σ = 43431354. Its totient is φ = 14477116.

The previous prime is 28954231. The next prime is 28954243. The reversal of 28954234 is 43245982.

It is a happy number.

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., 19936225 + 9018009 = 4465^2 + 3003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28954193 and 28954202.

It is not an unprimeable number, because it can be changed into a prime (28954231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7238557 + ... + 7238560.

Almost surely, 2^28954234 is an apocalyptic number.

28954234 is a deficient number, since it is larger than the sum of its proper divisors (14477120).

28954234 is a wasteful number, since it uses less digits than its factorization.

28954234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14477119.

The product of its digits is 69120, while the sum is 37.

The square root of 28954234 is about 5380.9138629047. The cubic root of 28954234 is about 307.0699794848.

The spelling of 28954234 in words is "twenty-eight million, nine hundred fifty-four thousand, two hundred thirty-four".