1779242 has 8 divisors (see below), whose sum is σ = 2689632. Its totient is φ = 882700.

The previous prime is 1779241. The next prime is 1779247. The reversal of 1779242 is 2429771.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1779199 and 1779208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1779241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3134 + ... + 3657.

It is an arithmetic number, because the mean of its divisors is an integer number (336204).

2^1779242 is an apocalyptic number.

1779242 is a deficient number, since it is larger than the sum of its proper divisors (910390).

1779242 is a wasteful number, since it uses less digits than its factorization.

1779242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6924.

The product of its digits is 7056, while the sum is 32.

The square root of 1779242 is about 1333.8823036535. The cubic root of 1779242 is about 121.1746220833.

The spelling of 1779242 in words is "one million, seven hundred seventy-nine thousand, two hundred forty-two".