2658498 has 16 divisors (see below), whose sum is σ = 5488896. Its totient is φ = 857520.

The previous prime is 2658497. The next prime is 2658503. The reversal of 2658498 is 8948562.

It is a super-2 number, since 2×2658498² = 14135223232008, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁴ + 6⁵ + 5⁴ + 8⁴ + 4⁵ + 9⁶ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2658497) 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 7 ways as a sum of consecutive naturals, for example, 6961 + ... + 7332.

It is an arithmetic number, because the mean of its divisors is an integer number (343056).

2^2658498 is an apocalyptic number.

2658498 is an abundant number, since it is smaller than the sum of its proper divisors (2830398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2658498 is a wasteful number, since it uses less digits than its factorization.

2658498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14329.

The product of its digits is 138240, while the sum is 42.

The square root of 2658498 is about 1630.4901103656. The cubic root of 2658498 is about 138.5305141141.

Subtracting 2658498 from its reverse (8948562), we obtain a square (6290064 = 2508²).

The spelling of 2658498 in words is "two million, six hundred fifty-eight thousand, four hundred ninety-eight".