1895940 has 48 divisors (see below), whose sum is σ = 5900160. Its totient is φ = 505440.

The previous prime is 1895939. The next prime is 1895981. The reversal of 1895940 is 495981.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1895895 and 1895904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (122920).

2^1895940 is an apocalyptic number.

1895940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1895940 is an abundant number, since it is smaller than the sum of its proper divisors (4004220).

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

1895940 is a wasteful number, since it uses less digits than its factorization.

1895940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529 (or 3521 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1895940 is about 1376.9313708388. The cubic root of 1895940 is about 123.7679496461.

The spelling of 1895940 in words is "one million, eight hundred ninety-five thousand, nine hundred forty".