2779490 has 32 divisors (see below), whose sum is σ = 5823360. Its totient is φ = 935424.

The previous prime is 2779489. The next prime is 2779493. The reversal of 2779490 is 949772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2779493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3794 + ... + 4466.

It is an arithmetic number, because the mean of its divisors is an integer number (181980).

2^2779490 is an apocalyptic number.

2779490 is an abundant number, since it is smaller than the sum of its proper divisors (3043870).

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

2779490 is a wasteful number, since it uses less digits than its factorization.

2779490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 2779490 is about 1667.1802542017. The cubic root of 2779490 is about 140.6009878342.

The spelling of 2779490 in words is "two million, seven hundred seventy-nine thousand, four hundred ninety".