1979330 has 8 divisors (see below), whose sum is σ = 3562812. Its totient is φ = 791728.

The previous prime is 1979323. The next prime is 1979339. The reversal of 1979330 is 339791.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1620529 + 358801 = 1273^2 + 599^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1979339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98957 + ... + 98976.

2^1979330 is an apocalyptic number.

1979330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1979330 is a deficient number, since it is larger than the sum of its proper divisors (1583482).

1979330 is a wasteful number, since it uses less digits than its factorization.

1979330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197940.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 1979330 is about 1406.8866336702. The cubic root of 1979330 is about 125.5565582654.

The spelling of 1979330 in words is "one million, nine hundred seventy-nine thousand, three hundred thirty".