1990341 has 24 divisors (see below), whose sum is σ = 3043040. Its totient is φ = 1251936.

The previous prime is 1990337. The next prime is 1990361. The reversal of 1990341 is 1430991.

It is not a de Polignac number, because 1990341 - 2² = 1990337 is a prime.

It is a super-2 number, since 2×1990341² = 7922914592562, which contains 22 as substring.

It is a Duffinian number.

1990341 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1990321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14250 + ... + 14388.

2^1990341 is an apocalyptic number.

It is an amenable number.

1990341 is a deficient number, since it is larger than the sum of its proper divisors (1052699).

1990341 is a wasteful number, since it uses less digits than its factorization.

1990341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1990341 is about 1410.7944570348. The cubic root of 1990341 is about 125.7889513037.

The spelling of 1990341 in words is "one million, nine hundred ninety thousand, three hundred forty-one".