1979130 has 32 divisors (see below), whose sum is σ = 4881024. Its totient is φ = 513216.

The previous prime is 1979129. The next prime is 1979141. The reversal of 1979130 is 319791.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219 + ... + 2001.

It is an arithmetic number, because the mean of its divisors is an integer number (152532).

2^1979130 is an apocalyptic number.

1979130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1979130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2440512).

1979130 is an abundant number, since it is smaller than the sum of its proper divisors (2901894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1979130 is a wasteful number, since it uses less digits than its factorization.

1979130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1979130 is about 1406.8155529422. The cubic root of 1979130 is about 125.5523291984.

The spelling of 1979130 in words is "one million, nine hundred seventy-nine thousand, one hundred thirty".