1679953 has 4 divisors (see below), whose sum is σ = 1832688. Its totient is φ = 1527220.

The previous prime is 1679939. The next prime is 1679959. The reversal of 1679953 is 3599761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3599761 = 11 ⋅327251.

It is a cyclic number.

It is not a de Polignac number, because 1679953 - 2¹⁷ = 1548881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1679959) 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, 76351 + ... + 76372.

It is an arithmetic number, because the mean of its divisors is an integer number (458172).

2^1679953 is an apocalyptic number.

It is an amenable number.

1679953 is a deficient number, since it is larger than the sum of its proper divisors (152735).

1679953 is a wasteful number, since it uses less digits than its factorization.

1679953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152734.

The product of its digits is 51030, while the sum is 40.

The square root of 1679953 is about 1296.1300089111. The cubic root of 1679953 is about 118.8773304563.

The spelling of 1679953 in words is "one million, six hundred seventy-nine thousand, nine hundred fifty-three".