497438 has 4 divisors (see below), whose sum is σ = 746160. Its totient is φ = 248718.

The previous prime is 497423. The next prime is 497449. The reversal of 497438 is 834794.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 497398 and 497407.

It is a congruent number.

It is an unprimeable number.

497438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124358 + ... + 124361.

It is an arithmetic number, because the mean of its divisors is an integer number (186540).

2⁴⁹⁷⁴³⁸ is an apocalyptic number.

497438 is a deficient number, since it is larger than the sum of its proper divisors (248722).

497438 is a wasteful number, since it uses less digits than its factorization.

497438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248721.

The product of its digits is 24192, while the sum is 35.

The square root of 497438 is about 705.2928469792. The cubic root of 497438 is about 79.2342563438.

The spelling of 497438 in words is "four hundred ninety-seven thousand, four hundred thirty-eight".