28644062 has 32 divisors (see below), whose sum is σ = 47278080. Its totient is φ = 12972960.

The previous prime is 28644053. The next prime is 28644071. The reversal of 28644062 is 26044682.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28644053) and next prime (28644071).

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, 75389 + ... + 75767.

It is an arithmetic number, because the mean of its divisors is an integer number (1477440).

Almost surely, 2^28644062 is an apocalyptic number.

28644062 is a deficient number, since it is larger than the sum of its proper divisors (18634018).

28644062 is a wasteful number, since it uses less digits than its factorization.

28644062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 28644062 is about 5352.0147608167. The cubic root of 28644062 is about 305.9695457182.

The spelling of 28644062 in words is "twenty-eight million, six hundred forty-four thousand, sixty-two".