2878061 has 4 divisors (see below), whose sum is σ = 2883552. Its totient is φ = 2872572.

The previous prime is 2878039. The next prime is 2878067. The reversal of 2878061 is 1608782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2878061 - 2¹⁸ = 2615917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865 + ... + 3038.

It is an arithmetic number, because the mean of its divisors is an integer number (720888).

2^2878061 is an apocalyptic number.

It is an amenable number.

2878061 is a deficient number, since it is larger than the sum of its proper divisors (5491).

2878061 is an equidigital number, since it uses as much as digits as its factorization.

2878061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2878061 is about 1696.4848953056. The cubic root of 2878061 is about 142.2437953070.

The spelling of 2878061 in words is "two million, eight hundred seventy-eight thousand, sixty-one".