2920369 has 4 divisors (see below), whose sum is σ = 2928996. Its totient is φ = 2911744.

The previous prime is 2920367. The next prime is 2920381. The reversal of 2920369 is 9630292.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1721344 + 1199025 = 1312^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920369 - 2¹ = 2920367 is a prime.

It is a super-2 number, since 2×2920369² = 17057110192322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2920369.

It is not an unprimeable number, because it can be changed into a prime (2920361) 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, 3784 + ... + 4489.

It is an arithmetic number, because the mean of its divisors is an integer number (732249).

2^2920369 is an apocalyptic number.

It is an amenable number.

2920369 is a deficient number, since it is larger than the sum of its proper divisors (8627).

2920369 is an equidigital number, since it uses as much as digits as its factorization.

2920369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2920369 is about 1708.9087161110. The cubic root of 2920369 is about 142.9374104628.

The spelling of 2920369 in words is "two million, nine hundred twenty thousand, three hundred sixty-nine".