498153985 has 8 divisors (see below), whose sum is σ = 683182656. Its totient is φ = 341591280.

The previous prime is 498153961. The next prime is 498154021. The reversal of 498153985 is 589351894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 498153985 - 2¹³ = 498145793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7116451 + ... + 7116520.

It is an arithmetic number, because the mean of its divisors is an integer number (85397832).

Almost surely, 2^498153985 is an apocalyptic number.

It is an amenable number.

498153985 is a deficient number, since it is larger than the sum of its proper divisors (185028671).

498153985 is a wasteful number, since it uses less digits than its factorization.

498153985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14232983.

The product of its digits is 1555200, while the sum is 52.

The square root of 498153985 is about 22319.3634541848. The cubic root of 498153985 is about 792.7225326836.

It can be divided in two parts, 49815 and 3985, that multiplied together give a triangular number (198512775 = T₁₉₉₂₅).

The spelling of 498153985 in words is "four hundred ninety-eight million, one hundred fifty-three thousand, nine hundred eighty-five".