499993454 has 16 divisors (see below), whose sum is σ = 764534400. Its totient is φ = 245172960.

The previous prime is 499993453. The next prime is 499993457. The reversal of 499993454 is 454399994.

It is a self number, because there is not a number n which added to its sum of digits gives 499993454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499993453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36707 + ... + 48449.

It is an arithmetic number, because the mean of its divisors is an integer number (47783400).

Almost surely, 2^499993454 is an apocalyptic number.

499993454 is a deficient number, since it is larger than the sum of its proper divisors (264540946).

499993454 is a wasteful number, since it uses less digits than its factorization.

499993454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155.

The product of its digits is 6298560, while the sum is 56.

The square root of 499993454 is about 22360.5334015090. The cubic root of 499993454 is about 793.6970622599.

The spelling of 499993454 in words is "four hundred ninety-nine million, nine hundred ninety-three thousand, four hundred fifty-four".