1975842 has 48 divisors (see below), whose sum is σ = 4953312. Its totient is φ = 562560.

The previous prime is 1975823. The next prime is 1975901. The reversal of 1975842 is 2485791.

It is a junction number, because it is equal to n+sod(n) for n = 1975797 and 1975806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3073 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (103194).

2^1975842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1975842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476656).

1975842 is an abundant number, since it is smaller than the sum of its proper divisors (2977470).

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

1975842 is a wasteful number, since it uses less digits than its factorization.

1975842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 620 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1975842 is about 1405.6464704896. The cubic root of 1975842 is about 125.4827624564.

The spelling of 1975842 in words is "one million, nine hundred seventy-five thousand, eight hundred forty-two".