28486464 has 28 divisors (see below), whose sum is σ = 75370944. Its totient is φ = 9495424.

The previous prime is 28486433. The next prime is 28486501. The reversal of 28486464 is 46468482.

It is a super-2 number, since 2×28486464² = 1622957262446592, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73992 + ... + 74375.

Almost surely, 2^28486464 is an apocalyptic number.

28486464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28486464 is an abundant number, since it is smaller than the sum of its proper divisors (46884480).

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

28486464 is a wasteful number, since it uses less digits than its factorization.

28486464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148382 (or 148372 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 28486464 is about 5337.2712128952. The cubic root of 28486464 is about 305.4073710904.

The spelling of 28486464 in words is "twenty-eight million, four hundred eighty-six thousand, four hundred sixty-four".