494897256 has 384 divisors, whose sum is σ = 1772928000. Its totient is φ = 126935424.

The previous prime is 494897243. The next prime is 494897257. The reversal of 494897256 is 652798494.

494897256 is a `hidden beast` number, since 49 + 489 + 72 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (494897257) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4625155 + ... + 4625261.

It is an arithmetic number, because the mean of its divisors is an integer number (4617000).

Almost surely, 2^494897256 is an apocalyptic number.

494897256 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494897256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886464000).

494897256 is an abundant number, since it is smaller than the sum of its proper divisors (1278030744).

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

494897256 is a wasteful number, since it uses less digits than its factorization.

494897256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 161 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 494897256 is about 22246.2863417695. The cubic root of 494897256 is about 790.9912547653.

The spelling of 494897256 in words is "four hundred ninety-four million, eight hundred ninety-seven thousand, two hundred fifty-six".