6361990 has 16 divisors (see below), whose sum is σ = 11566800. Its totient is φ = 2519200.

The previous prime is 6361981. The next prime is 6361997. The reversal of 6361990 is 991636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6361997) 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, 2140 + ... + 4159.

It is an arithmetic number, because the mean of its divisors is an integer number (722925).

Almost surely, 2^6361990 is an apocalyptic number.

6361990 is a deficient number, since it is larger than the sum of its proper divisors (5204810).

6361990 is a wasteful number, since it uses less digits than its factorization.

6361990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 6361990 is about 2522.2985548900. The cubic root of 6361990 is about 185.2952674727.

The spelling of 6361990 in words is "six million, three hundred sixty-one thousand, nine hundred ninety".