2920481 has 4 divisors (see below), whose sum is σ = 3092292. Its totient is φ = 2748672.

The previous prime is 2920469. The next prime is 2920487. The reversal of 2920481 is 1840292.

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 2430481 + 490000 = 1559^2 + 700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2920481 is a prime.

It is a super-2 number, since 2×2920481² = 17058418542722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2920481.

It is not an unprimeable number, because it can be changed into a prime (2920487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85880 + ... + 85913.

It is an arithmetic number, because the mean of its divisors is an integer number (773073).

2^2920481 is an apocalyptic number.

It is an amenable number.

2920481 is a deficient number, since it is larger than the sum of its proper divisors (171811).

2920481 is a wasteful number, since it uses less digits than its factorization.

2920481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171810.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2920481 is about 1708.9414852475. The cubic root of 2920481 is about 142.9392377188.

The spelling of 2920481 in words is "two million, nine hundred twenty thousand, four hundred eighty-one".