8301990 has 32 divisors (see below), whose sum is σ = 20090880. Its totient is φ = 2195424.

The previous prime is 8301983. The next prime is 8301991. The reversal of 8301990 is 991038.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8301991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2721 + ... + 4899.

It is an arithmetic number, because the mean of its divisors is an integer number (627840).

Almost surely, 2^8301990 is an apocalyptic number.

8301990 is an abundant number, since it is smaller than the sum of its proper divisors (11788890).

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

8301990 is a wasteful number, since it uses less digits than its factorization.

8301990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 8301990 is about 2881.3174070206. The cubic root of 8301990 is about 202.4855651957.

The spelling of 8301990 in words is "eight million, three hundred one thousand, nine hundred ninety".