1979285 has 32 divisors (see below), whose sum is σ = 3048192. Its totient is φ = 1198080.

The previous prime is 1979281. The next prime is 1979291. The reversal of 1979285 is 5829791.

It is not a de Polignac number, because 1979285 - 2² = 1979281 is a prime.

It is a super-2 number, since 2×1979285² = 7835138222450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20357 + ... + 20453.

It is an arithmetic number, because the mean of its divisors is an integer number (95256).

2^1979285 is an apocalyptic number.

It is an amenable number.

1979285 is a deficient number, since it is larger than the sum of its proper divisors (1068907).

1979285 is a wasteful number, since it uses less digits than its factorization.

1979285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its digits is 45360, while the sum is 41.

The square root of 1979285 is about 1406.8706408195. The cubic root of 1979285 is about 125.5556067501. Note that the first 3 decimals are identical.

The spelling of 1979285 in words is "one million, nine hundred seventy-nine thousand, two hundred eighty-five".