493397154 has 48 divisors (see below), whose sum is σ = 1134443232. Its totient is φ = 154445184.

The previous prime is 493397153. The next prime is 493397167. The reversal of 493397154 is 451793394.

493397154 is a `hidden beast` number, since 493 + 3 + 9 + 7 + 154 = 666.

It is not an unprimeable number, because it can be changed into a prime (493397153) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 158497 + ... + 161579.

It is an arithmetic number, because the mean of its divisors is an integer number (23634234).

Almost surely, 2^493397154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493397154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567221616).

493397154 is an abundant number, since it is smaller than the sum of its proper divisors (641046078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

493397154 is a wasteful number, since it uses less digits than its factorization.

493397154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3628 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 493397154 is about 22212.5449690034. The cubic root of 493397154 is about 790.1912446250.

The spelling of 493397154 in words is "four hundred ninety-three million, three hundred ninety-seven thousand, one hundred fifty-four".