2298628 has 6 divisors (see below), whose sum is σ = 4022606. Its totient is φ = 1149312.

The previous prime is 2298613. The next prime is 2298631. The reversal of 2298628 is 8268922.

It can be written as a sum of positive squares in only one way, i.e., 2050624 + 248004 = 1432^2 + 498^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 287325 + ... + 287332.

2^2298628 is an apocalyptic number.

It is an amenable number.

2298628 is a deficient number, since it is larger than the sum of its proper divisors (1723978).

2298628 is a wasteful number, since it uses less digits than its factorization.

2298628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574661 (or 574659 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 2298628 is about 1516.1226863285. The cubic root of 2298628 is about 131.9743598806.

It can be divided in two parts, 2298 and 628, that added together give a triangular number (2926 = T₇₆).

The spelling of 2298628 in words is "two million, two hundred ninety-eight thousand, six hundred twenty-eight".