1990010 has 32 divisors (see below), whose sum is σ = 3974400. Its totient is φ = 711360.

The previous prime is 1990007. The next prime is 1990031. The reversal of 1990010 is 100991.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8576 + ... + 8804.

It is an arithmetic number, because the mean of its divisors is an integer number (124200).

2^1990010 is an apocalyptic number.

1990010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1990010 is a deficient number, since it is larger than the sum of its proper divisors (1984390).

1990010 is a wasteful number, since it uses less digits than its factorization.

1990010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 1990010 is about 1410.6771423682. The cubic root of 1990010 is about 125.7819778837.

The spelling of 1990010 in words is "one million, nine hundred ninety thousand, ten".