4989550 has 24 divisors (see below), whose sum is σ = 9414576. Its totient is φ = 1967040.

The previous prime is 4989541. The next prime is 4989581. The reversal of 4989550 is 559894.

4989550 = 172² + 173² + ... + 271².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2967 + ... + 4333.

It is an arithmetic number, because the mean of its divisors is an integer number (392274).

Almost surely, 2^4989550 is an apocalyptic number.

4989550 is a deficient number, since it is larger than the sum of its proper divisors (4425026).

4989550 is a wasteful number, since it uses less digits than its factorization.

4989550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 4989550 is about 2233.7300642647. The cubic root of 4989550 is about 170.8783832542.

The spelling of 4989550 in words is "four million, nine hundred eighty-nine thousand, five hundred fifty".