4978026 has 12 divisors (see below), whose sum is σ = 10785762. Its totient is φ = 1659336.

The previous prime is 4978013. The next prime is 4978031. The reversal of 4978026 is 6208794.

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 998001 = 1995^2 + 999^2 .

It is a d-powerful number, because it can be written as 4⁶ + 9⁷ + 7⁶ + 8⁵ + 0 + 2¹⁵ + 6⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138261 + ... + 138296.

Almost surely, 2^4978026 is an apocalyptic number.

4978026 is an abundant number, since it is smaller than the sum of its proper divisors (5807736).

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

4978026 is a wasteful number, since it uses less digits than its factorization.

4978026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276565 (or 276562 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4978026 is about 2231.1490313289. The cubic root of 4978026 is about 170.7467267268.

The spelling of 4978026 in words is "four million, nine hundred seventy-eight thousand, twenty-six".