2090361 has 48 divisors (see below), whose sum is σ = 3747840. Its totient is φ = 1010880.

The previous prime is 2090357. The next prime is 2090381. The reversal of 2090361 is 1630902.

2090361 is nontrivially palindromic in base 9.

It is not a de Polignac number, because 2090361 - 2² = 2090357 is a prime.

It is a super-2 number, since 2×2090361² = 8739218220642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67416 + ... + 67446.

It is an arithmetic number, because the mean of its divisors is an integer number (78080).

2^2090361 is an apocalyptic number.

2090361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2090361 is a deficient number, since it is larger than the sum of its proper divisors (1657479).

2090361 is a wasteful number, since it uses less digits than its factorization.

2090361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2090361 is about 1445.8080785498. The cubic root of 2090361 is about 127.8616873490.

The spelling of 2090361 in words is "two million, ninety thousand, three hundred sixty-one".