1979249 has 8 divisors (see below), whose sum is σ = 2113440. Its totient is φ = 1848096.

The previous prime is 1979233. The next prime is 1979251. The reversal of 1979249 is 9429791.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1979249 - 2⁴ = 1979233 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1979209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674 + ... + 2100.

It is an arithmetic number, because the mean of its divisors is an integer number (264180).

2^1979249 is an apocalyptic number.

1979249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1979249 is a deficient number, since it is larger than the sum of its proper divisors (134191).

1979249 is a wasteful number, since it uses less digits than its factorization.

1979249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519.

The product of its digits is 40824, while the sum is 41.

The square root of 1979249 is about 1406.8578464081. The cubic root of 1979249 is about 125.5548455276.

The spelling of 1979249 in words is "one million, nine hundred seventy-nine thousand, two hundred forty-nine".