28374435 has 32 divisors (see below), whose sum is σ = 50967360. Its totient is φ = 14976000.

The previous prime is 28374431. The next prime is 28374439. The reversal of 28374435 is 53447382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28374431) and next prime (28374439).

It is not a de Polignac number, because 28374435 - 2² = 28374431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28374435.

It is not an unprimeable number, because it can be changed into a prime (28374431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12595 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (1592730).

Almost surely, 2^28374435 is an apocalyptic number.

28374435 is a deficient number, since it is larger than the sum of its proper divisors (22592925).

28374435 is a wasteful number, since it uses less digits than its factorization.

28374435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196 (or 2190 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 28374435 is about 5326.7659043739. The cubic root of 28374435 is about 305.0064855738.

The spelling of 28374435 in words is "twenty-eight million, three hundred seventy-four thousand, four hundred thirty-five".