497694400 has 168 divisors, whose sum is σ = 1438611296. Its totient is φ = 165888000.

The previous prime is 497694383. The next prime is 497694403. The reversal of 497694400 is 4496794.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497694403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413800 + ... + 415000.

Almost surely, 2^497694400 is an apocalyptic number.

497694400 is a gapful number since it is divisible by the number (40) 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 497694400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719305648).

497694400 is an abundant number, since it is smaller than the sum of its proper divisors (940916896).

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

497694400 is a wasteful number, since it uses less digits than its factorization.

497694400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 497694400 is about 22309.0654219311. The cubic root of 497694400 is about 792.4786753675.

The spelling of 497694400 in words is "four hundred ninety-seven million, six hundred ninety-four thousand, four hundred".