2078549 has 8 divisors (see below), whose sum is σ = 2329248. Its totient is φ = 1838160.

The previous prime is 2078537. The next prime is 2078551. The reversal of 2078549 is 9458702.

It is a happy number.

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

It is not a de Polignac number, because 2078549 - 2¹⁶ = 2013013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078509) 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, 2147 + ... + 2960.

It is an arithmetic number, because the mean of its divisors is an integer number (291156).

2^2078549 is an apocalyptic number.

It is an amenable number.

2078549 is a deficient number, since it is larger than the sum of its proper divisors (250699).

2078549 is a wasteful number, since it uses less digits than its factorization.

2078549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2078549 is about 1441.7173786842. The cubic root of 2078549 is about 127.6203963360.

The spelling of 2078549 in words is "two million, seventy-eight thousand, five hundred forty-nine".