1975356 has 36 divisors (see below), whose sum is σ = 5131672. Its totient is φ = 640224.

The previous prime is 1975333. The next prime is 1975367. The reversal of 1975356 is 6535791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1975356.

It is a congruent number.

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, 591 + ... + 2073.

2^1975356 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 1975356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2565836).

1975356 is an abundant number, since it is smaller than the sum of its proper divisors (3156316).

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

1975356 is a wasteful number, since it uses less digits than its factorization.

1975356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1525 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 1975356 is about 1405.4735856643. The cubic root of 1975356 is about 125.4724732356.

The spelling of 1975356 in words is "one million, nine hundred seventy-five thousand, three hundred fifty-six".