28632264 has 16 divisors (see below), whose sum is σ = 71580720. Its totient is φ = 9544080.

The previous prime is 28632257. The next prime is 28632271. The reversal of 28632264 is 46223682.

It is an interprime number because it is at equal distance from previous prime (28632257) and next prime (28632271).

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

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, 596482 + ... + 596529.

It is an arithmetic number, because the mean of its divisors is an integer number (4473795).

Almost surely, 2^28632264 is an apocalyptic number.

28632264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28632264 is an abundant number, since it is smaller than the sum of its proper divisors (42948456).

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

28632264 is a wasteful number, since it uses less digits than its factorization.

28632264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193020 (or 1193016 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 28632264 is about 5350.9124455554. The cubic root of 28632264 is about 305.9275320725.

The spelling of 28632264 in words is "twenty-eight million, six hundred thirty-two thousand, two hundred sixty-four".