28486034 has 4 divisors (see below), whose sum is σ = 42729054. Its totient is φ = 14243016.

The previous prime is 28486013. The next prime is 28486037. The reversal of 28486034 is 43068482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43068482 = 2 ⋅21534241.

It can be written as a sum of positive squares in only one way, i.e., 20729809 + 7756225 = 4553^2 + 2785^2 .

It is a super-2 number, since 2×28486034² = 1622908266098312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28485985 and 28486003.

It is not an unprimeable number, because it can be changed into a prime (28486037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7121507 + ... + 7121510.

Almost surely, 2^28486034 is an apocalyptic number.

28486034 is a deficient number, since it is larger than the sum of its proper divisors (14243020).

28486034 is a wasteful number, since it uses less digits than its factorization.

28486034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14243019.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 28486034 is about 5337.2309299861. The cubic root of 28486034 is about 305.4058343859.

The spelling of 28486034 in words is "twenty-eight million, four hundred eighty-six thousand, thirty-four".