9051620 has 24 divisors (see below), whose sum is σ = 19200888. Its totient is φ = 3584000.

The previous prime is 9051617. The next prime is 9051697. The reversal of 9051620 is 261509.

It can be written as a sum of positive squares in 4 ways, for example, as 4351396 + 4700224 = 2086^2 + 2168^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221 + ... + 4260.

It is an arithmetic number, because the mean of its divisors is an integer number (800037).

Almost surely, 2^9051620 is an apocalyptic number.

It is an amenable number.

9051620 is an abundant number, since it is smaller than the sum of its proper divisors (10149268).

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

9051620 is a wasteful number, since it uses less digits than its factorization.

9051620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591 (or 4589 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 9051620 is about 3008.5910323605. The cubic root of 9051620 is about 208.4053056220.

The spelling of 9051620 in words is "nine million, fifty-one thousand, six hundred twenty".