1974085 has 4 divisors (see below), whose sum is σ = 2368908. Its totient is φ = 1579264.

The previous prime is 1974079. The next prime is 1974121. The reversal of 1974085 is 5804791.

1974085 = 993² + 994².

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5804791 = 179 ⋅32429.

It can be written as a sum of positive squares in 2 ways, for example, as 986049 + 988036 = 993^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 1974085 - 2⁵ = 1974053 is a prime.

It is a Duffinian number.

1974085 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1974085.

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, 197404 + ... + 197413.

It is an arithmetic number, because the mean of its divisors is an integer number (592227).

2^1974085 is an apocalyptic number.

1974085 is the 994-th centered square number.

It is an amenable number.

1974085 is a deficient number, since it is larger than the sum of its proper divisors (394823).

1974085 is an equidigital number, since it uses as much as digits as its factorization.

1974085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394822.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1974085 is about 1405.0213521509. The cubic root of 1974085 is about 125.4455566141.

The spelling of 1974085 in words is "one million, nine hundred seventy-four thousand, eighty-five".