498567838 has 4 divisors (see below), whose sum is σ = 747851760. Its totient is φ = 249283918.

The previous prime is 498567833. The next prime is 498567871. The reversal of 498567838 is 838765894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838765894 = 2 ⋅419382947.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498567833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124641958 + ... + 124641961.

It is an arithmetic number, because the mean of its divisors is an integer number (186962940).

Almost surely, 2^498567838 is an apocalyptic number.

498567838 is a deficient number, since it is larger than the sum of its proper divisors (249283922).

498567838 is a wasteful number, since it uses less digits than its factorization.

498567838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249283921.

The product of its digits is 11612160, while the sum is 58.

The square root of 498567838 is about 22328.6326943680. The cubic root of 498567838 is about 792.9419961423.

The spelling of 498567838 in words is "four hundred ninety-eight million, five hundred sixty-seven thousand, eight hundred thirty-eight".