497870890 has 32 divisors (see below), whose sum is σ = 1004068224. Its totient is φ = 176149440.

The previous prime is 497870873. The next prime is 497870897. The reversal of 497870890 is 98078794.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (497870897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57094 + ... + 65233.

It is an arithmetic number, because the mean of its divisors is an integer number (31377132).

Almost surely, 2^497870890 is an apocalyptic number.

497870890 is an abundant number, since it is smaller than the sum of its proper divisors (506197334).

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

497870890 is a wasteful number, since it uses less digits than its factorization.

497870890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122382.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 497870890 is about 22313.0206381834. The cubic root of 497870890 is about 792.5723392919.

The spelling of 497870890 in words is "four hundred ninety-seven million, eight hundred seventy thousand, eight hundred ninety".