28426650 has 48 divisors (see below), whose sum is σ = 80572224. Its totient is φ = 6497280.

The previous prime is 28426637. The next prime is 28426663. The reversal of 28426650 is 5662482.

It is an interprime number because it is at equal distance from previous prime (28426637) and next prime (28426663).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12487 + ... + 14586.

It is an arithmetic number, because the mean of its divisors is an integer number (1678588).

Almost surely, 2^28426650 is an apocalyptic number.

28426650 is an abundant number, since it is smaller than the sum of its proper divisors (52145574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28426650 is a wasteful number, since it uses less digits than its factorization.

28426650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27095 (or 27090 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 28426650 is about 5331.6648431798. The cubic root of 28426650 is about 305.1934632128.

The spelling of 28426650 in words is "twenty-eight million, four hundred twenty-six thousand, six hundred fifty".