1900528 has 40 divisors (see below), whose sum is σ = 4285440. Its totient is φ = 799680.

The previous prime is 1900511. The next prime is 1900529. The reversal of 1900528 is 8250091.

It is a super-2 number, since 2×1900528² = 7224013357568, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7833 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (107136).

2^1900528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1900528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142720).

1900528 is an abundant number, since it is smaller than the sum of its proper divisors (2384912).

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

1900528 is a wasteful number, since it uses less digits than its factorization.

1900528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1900528 is about 1378.5963876349. The cubic root of 1900528 is about 123.8677048988.

The spelling of 1900528 in words is "one million, nine hundred thousand, five hundred twenty-eight".