1979532 has 24 divisors (see below), whose sum is σ = 5132400. Its totient is φ = 659808.

The previous prime is 1979507. The next prime is 1979539. The reversal of 1979532 is 2359791.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 1 + 9² + 7² + 9⁴ + 5⁹ + 3⁹ + 2⁵ .

It is not an unprimeable number, because it can be changed into a prime (1979539) 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, 9057 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (213850).

2^1979532 is an apocalyptic number.

1979532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1979532 is an abundant number, since it is smaller than the sum of its proper divisors (3152868).

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

1979532 is a wasteful number, since it uses less digits than its factorization.

1979532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18342 (or 18334 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 1979532 is about 1406.9584215605. The cubic root of 1979532 is about 125.5608293339.

The spelling of 1979532 in words is "one million, nine hundred seventy-nine thousand, five hundred thirty-two".