3605979 has 8 divisors (see below), whose sum is σ = 5177872. Its totient is φ = 2219040.

The previous prime is 3605969. The next prime is 3605999. The reversal of 3605979 is 9795063.

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

It is not a de Polignac number, because 3605979 - 2¹¹ = 3603931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 92461 = 3605979 / (3 + 6 + 0 + 5 + 9 + 7 + 9).

It is a Duffinian number.

3605979 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605929) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46192 + ... + 46269.

It is an arithmetic number, because the mean of its divisors is an integer number (647234).

Almost surely, 2^3605979 is an apocalyptic number.

3605979 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3605979 is a deficient number, since it is larger than the sum of its proper divisors (1571893).

3605979 is a wasteful number, since it uses less digits than its factorization.

3605979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92477.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 3605979 is about 1898.9415472836. The cubic root of 3605979 is about 153.3466870328.

The spelling of 3605979 in words is "three million, six hundred five thousand, nine hundred seventy-nine".