108421470 has 64 divisors (see below), whose sum is σ = 296965440. Its totient is φ = 28128384.

The previous prime is 108421463. The next prime is 108421483. The reversal of 108421470 is 74124801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4564 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (4640085).

Almost surely, 2^108421470 is an apocalyptic number.

108421470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108421470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148482720).

108421470 is an abundant number, since it is smaller than the sum of its proper divisors (188543970).

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

108421470 is a wasteful number, since it uses less digits than its factorization.

108421470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906 (or 10900 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 108421470 is about 10412.5630850430. The cubic root of 108421470 is about 476.8389947491.

The spelling of 108421470 in words is "one hundred eight million, four hundred twenty-one thousand, four hundred seventy".