497436390 has 80 divisors (see below), whose sum is σ = 1459172880. Its totient is φ = 120588480.

The previous prime is 497436383. The next prime is 497436403. The reversal of 497436390 is 93634794.

497436390 is a `hidden beast` number, since 4 + 9 + 7 + 4 + 3 + 639 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19005 + ... + 36824.

It is an arithmetic number, because the mean of its divisors is an integer number (18239661).

Almost surely, 2^497436390 is an apocalyptic number.

497436390 is an abundant number, since it is smaller than the sum of its proper divisors (961736490).

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

497436390 is a wasteful number, since it uses less digits than its factorization.

497436390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55859 (or 55850 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 497436390 is about 22303.2820454748. The cubic root of 497436390 is about 792.3417086091.

The spelling of 497436390 in words is "four hundred ninety-seven million, four hundred thirty-six thousand, three hundred ninety".