2878413 has 4 divisors (see below), whose sum is σ = 3837888. Its totient is φ = 1918940.

The previous prime is 2878409. The next prime is 2878429. The reversal of 2878413 is 3148782.

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 2878413 - 2² = 2878409 is a prime.

It is a super-2 number, since 2×2878413² = 16570522797138, which contains 22 as substring.

It is a D-number.

2878413 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878313) 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, 479733 + ... + 479738.

It is an arithmetic number, because the mean of its divisors is an integer number (959472).

2^2878413 is an apocalyptic number.

It is an amenable number.

2878413 is a deficient number, since it is larger than the sum of its proper divisors (959475).

2878413 is an equidigital number, since it uses as much as digits as its factorization.

2878413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959474.

The product of its digits is 10752, while the sum is 33.

The square root of 2878413 is about 1696.5886360577. The cubic root of 2878413 is about 142.2495940924.

The spelling of 2878413 in words is "two million, eight hundred seventy-eight thousand, four hundred thirteen".