1900056 has 32 divisors (see below), whose sum is σ = 5030640. Its totient is φ = 595968.

The previous prime is 1900049. The next prime is 1900079. The reversal of 1900056 is 6500091.

It is a super-2 number, since 2×1900056² = 7220425606272, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921 + ... + 2736.

2^1900056 is an apocalyptic number.

It is an amenable number.

1900056 is an abundant number, since it is smaller than the sum of its proper divisors (3130584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1900056 is a wasteful number, since it uses less digits than its factorization.

1900056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1900056 is about 1378.4251883944. The cubic root of 1900056 is about 123.8574497842.

The spelling of 1900056 in words is "one million, nine hundred thousand, fifty-six".