10571990 has 32 divisors (see below), whose sum is σ = 22359456. Its totient is φ = 3548160.

The previous prime is 10571989. The next prime is 10571993. The reversal of 10571990 is 9917501.

It is a super-2 number, since 2×10571990² = 223533945120200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10571993) 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, 2267 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (698733).

Almost surely, 2^10571990 is an apocalyptic number.

10571990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10571990 is an abundant number, since it is smaller than the sum of its proper divisors (11787466).

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

10571990 is a wasteful number, since it uses less digits than its factorization.

10571990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 10571990 is about 3251.4596722088. The cubic root of 10571990 is about 219.4752645681.

The spelling of 10571990 in words is "ten million, five hundred seventy-one thousand, nine hundred ninety".