28696248 has 64 divisors (see below), whose sum is σ = 91104000. Its totient is φ = 8198496.

The previous prime is 28696231. The next prime is 28696253. The reversal of 28696248 is 84269682.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7978 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (1423500).

Almost surely, 2^28696248 is an apocalyptic number.

28696248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28696248 is an abundant number, since it is smaller than the sum of its proper divisors (62407752).

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

28696248 is a wasteful number, since it uses less digits than its factorization.

28696248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19001 (or 18991 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 28696248 is about 5356.8879025046. The cubic root of 28696248 is about 306.1552460991.

The spelling of 28696248 in words is "twenty-eight million, six hundred ninety-six thousand, two hundred forty-eight".