1900850 has 24 divisors (see below), whose sum is σ = 4041408. Its totient is φ = 651600.

The previous prime is 1900831. The next prime is 1900861. The reversal of 1900850 is 580091.

1900850 = 795² + 796² + 797².

It is a super-2 number, since 2×1900850² = 7226461445000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2366 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (168392).

2^1900850 is an apocalyptic number.

1900850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1900850 is an abundant number, since it is smaller than the sum of its proper divisors (2140558).

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

1900850 is a wasteful number, since it uses less digits than its factorization.

1900850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450 (or 5445 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1900850 is about 1378.7131681390. The cubic root of 1900850 is about 123.8746999986.

The spelling of 1900850 in words is "one million, nine hundred thousand, eight hundred fifty".