28262434 has 8 divisors (see below), whose sum is σ = 42576300. Its totient is φ = 14070336.

The previous prime is 28262411. The next prime is 28262447. The reversal of 28262434 is 43426282.

It can be written as a sum of positive squares in 2 ways, for example, as 28121809 + 140625 = 5303^2 + 375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28262396 and 28262405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29859 + ... + 30790.

Almost surely, 2^28262434 is an apocalyptic number.

28262434 is a deficient number, since it is larger than the sum of its proper divisors (14313866).

28262434 is a wasteful number, since it uses less digits than its factorization.

28262434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60884.

The product of its digits is 18432, while the sum is 31.

The square root of 28262434 is about 5316.2424700158. The cubic root of 28262434 is about 304.6046440617.

The spelling of 28262434 in words is "twenty-eight million, two hundred sixty-two thousand, four hundred thirty-four".