497897400 has 384 divisors, whose sum is σ = 2074867200. Its totient is φ = 95385600.

The previous prime is 497897381. The next prime is 497897431. The reversal of 497897400 is 4798794.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 497897400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 600186 + ... + 601014.

It is an arithmetic number, because the mean of its divisors is an integer number (5403300).

Almost surely, 2^497897400 is an apocalyptic number.

497897400 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 497897400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037433600).

497897400 is an abundant number, since it is smaller than the sum of its proper divisors (1576969800).

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

497897400 is a wasteful number, since it uses less digits than its factorization.

497897400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 497897400 is about 22313.6146780391. The cubic root of 497897400 is about 792.5864063390.

It can be divided in two parts, 4978 and 97400, that added together give a triangular number (102378 = T₄₅₂).

The spelling of 497897400 in words is "four hundred ninety-seven million, eight hundred ninety-seven thousand, four hundred".