498949633 has 16 divisors (see below), whose sum is σ = 646414720. Its totient is φ = 373994496.

The previous prime is 498949621. The next prime is 498949651. The reversal of 498949633 is 336949894.

It is a cyclic number.

It is not a de Polignac number, because 498949633 - 2²¹ = 496852481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498949663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142560 + ... + 146017.

It is an arithmetic number, because the mean of its divisors is an integer number (40400920).

Almost surely, 2^498949633 is an apocalyptic number.

It is an amenable number.

498949633 is a deficient number, since it is larger than the sum of its proper divisors (147465087).

498949633 is a wasteful number, since it uses less digits than its factorization.

498949633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288616.

The product of its digits is 5038848, while the sum is 55.

The square root of 498949633 is about 22337.1805069485. The cubic root of 498949633 is about 793.1443517838.

It can be divided in two parts, 498 and 949633, that added together give a triangular number (950131 = T₁₃₇₈).

The spelling of 498949633 in words is "four hundred ninety-eight million, nine hundred forty-nine thousand, six hundred thirty-three".