2790349 has 4 divisors (see below), whose sum is σ = 2832064. Its totient is φ = 2748636.

The previous prime is 2790331. The next prime is 2790391. The reversal of 2790349 is 9430972.

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 2790349 - 2¹¹ = 2788301 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 (2790149) 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, 20757 + ... + 20890.

It is an arithmetic number, because the mean of its divisors is an integer number (708016).

2^2790349 is an apocalyptic number.

It is an amenable number.

2790349 is a deficient number, since it is larger than the sum of its proper divisors (41715).

2790349 is an equidigital number, since it uses as much as digits as its factorization.

2790349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41714.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2790349 is about 1670.4337759995. The cubic root of 2790349 is about 140.7838513730.

It can be divided in two parts, 2790 and 349, that multiplied together give a triangular number (973710 = T₁₃₉₅).

The spelling of 2790349 in words is "two million, seven hundred ninety thousand, three hundred forty-nine".