2928490 has 8 divisors (see below), whose sum is σ = 5271300. Its totient is φ = 1171392.

The previous prime is 2928481. The next prime is 2928491. The reversal of 2928490 is 948292.

It can be written as a sum of positive squares in 2 ways, for example, as 2913849 + 14641 = 1707^2 + 121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146415 + ... + 146434.

2^2928490 is an apocalyptic number.

2928490 is a deficient number, since it is larger than the sum of its proper divisors (2342810).

2928490 is a wasteful number, since it uses less digits than its factorization.

2928490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292856.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2928490 is about 1711.2831443101. The cubic root of 2928490 is about 143.0697819068.

The spelling of 2928490 in words is "two million, nine hundred twenty-eight thousand, four hundred ninety".