108640284 has 24 divisors (see below), whose sum is σ = 254016000. Its totient is φ = 36138864.

The previous prime is 108640261. The next prime is 108640297. The reversal of 108640284 is 482046801.

It is a super-2 number, since 2×108640284² = 23605422615201312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3084 + ... + 15059.

It is an arithmetic number, because the mean of its divisors is an integer number (10584000).

Almost surely, 2^108640284 is an apocalyptic number.

It is an amenable number.

108640284 is an abundant number, since it is smaller than the sum of its proper divisors (145375716).

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

108640284 is a wasteful number, since it uses less digits than its factorization.

108640284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18649 (or 18647 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 108640284 is about 10423.0650002770. The cubic root of 108640284 is about 477.1595614374.

The spelling of 108640284 in words is "one hundred eight million, six hundred forty thousand, two hundred eighty-four".