60091820 has 12 divisors (see below), whose sum is σ = 126192864. Its totient is φ = 24036720.

The previous prime is 60091807. The next prime is 60091841. The reversal of 60091820 is 2819006.

It is a super-2 number, since 2×60091820² = 7222053661824800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60091820.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502276 + ... + 1502315.

It is an arithmetic number, because the mean of its divisors is an integer number (10516072).

Almost surely, 2^60091820 is an apocalyptic number.

It is an amenable number.

60091820 is an abundant number, since it is smaller than the sum of its proper divisors (66101044).

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

60091820 is a wasteful number, since it uses less digits than its factorization.

60091820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004600 (or 3004598 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 60091820 is about 7751.8913821080. The cubic root of 60091820 is about 391.6863640816.

The spelling of 60091820 in words is "sixty million, ninety-one thousand, eight hundred twenty".