2053990 has 8 divisors (see below), whose sum is σ = 3697200. Its totient is φ = 821592.

The previous prime is 2053979. The next prime is 2054009. The reversal of 2053990 is 993502.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102690 + ... + 102709.

It is an arithmetic number, because the mean of its divisors is an integer number (462150).

2^2053990 is an apocalyptic number.

2053990 is a deficient number, since it is larger than the sum of its proper divisors (1643210).

2053990 is a wasteful number, since it uses less digits than its factorization.

2053990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205406.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 2053990 is about 1433.1747974340. The cubic root of 2053990 is about 127.1157726618.

The spelling of 2053990 in words is "two million, fifty-three thousand, nine hundred ninety".