1990059 has 8 divisors (see below), whose sum is σ = 2691072. Its totient is φ = 1307880.

The previous prime is 1990039. The next prime is 1990069. The reversal of 1990059 is 9500991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1990059 - 2⁸ = 1989803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1990039) 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, 4459 + ... + 4884.

It is an arithmetic number, because the mean of its divisors is an integer number (336384).

2^1990059 is an apocalyptic number.

1990059 is a deficient number, since it is larger than the sum of its proper divisors (701013).

1990059 is an equidigital number, since it uses as much as digits as its factorization.

1990059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9417.

The product of its (nonzero) digits is 3645, while the sum is 33.

The square root of 1990059 is about 1410.6945098071. The cubic root of 1990059 is about 125.7830102515.

The spelling of 1990059 in words is "one million, nine hundred ninety thousand, fifty-nine".