108807621 has 8 divisors (see below), whose sum is σ = 156236640. Its totient is φ = 66958512.

The previous prime is 108807593. The next prime is 108807637. The reversal of 108807621 is 126708801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108807621 - 2⁷ = 108807493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108807691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1394931 + ... + 1395008.

It is an arithmetic number, because the mean of its divisors is an integer number (19529580).

Almost surely, 2^108807621 is an apocalyptic number.

It is an amenable number.

108807621 is a deficient number, since it is larger than the sum of its proper divisors (47429019).

108807621 is a wasteful number, since it uses less digits than its factorization.

108807621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789955.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 108807621 is about 10431.0891569385. The cubic root of 108807621 is about 477.4044230002.

The spelling of 108807621 in words is "one hundred eight million, eight hundred seven thousand, six hundred twenty-one".