1895540 has 12 divisors (see below), whose sum is σ = 3980676. Its totient is φ = 758208.

The previous prime is 1895539. The next prime is 1895563. The reversal of 1895540 is 455981.

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 1430416 = 682^2 + 1196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1895497 and 1895506.

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, 47369 + ... + 47408.

It is an arithmetic number, because the mean of its divisors is an integer number (331723).

2^1895540 is an apocalyptic number.

1895540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1895540 is an abundant number, since it is smaller than the sum of its proper divisors (2085136).

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

1895540 is a wasteful number, since it uses less digits than its factorization.

1895540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94786 (or 94784 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1895540 is about 1376.7861126551. The cubic root of 1895540 is about 123.7592449645.

The spelling of 1895540 in words is "one million, eight hundred ninety-five thousand, five hundred forty".