1679974 has 8 divisors (see below), whose sum is σ = 2668248. Its totient is φ = 790560.

The previous prime is 1679963. The next prime is 1679981. The reversal of 1679974 is 4799761.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1679974.

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, 24672 + ... + 24739.

It is an arithmetic number, because the mean of its divisors is an integer number (333531).

2^1679974 is an apocalyptic number.

1679974 is a deficient number, since it is larger than the sum of its proper divisors (988274).

1679974 is a wasteful number, since it uses less digits than its factorization.

1679974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49430.

The product of its digits is 95256, while the sum is 43.

The square root of 1679974 is about 1296.1381099250. The cubic root of 1679974 is about 118.8778257903.

The spelling of 1679974 in words is "one million, six hundred seventy-nine thousand, nine hundred seventy-four".