497942 has 4 divisors (see below), whose sum is σ = 746916. Its totient is φ = 248970.

The previous prime is 497929. The next prime is 497957. The reversal of 497942 is 249794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249794 = 2 ⋅124897.

It is a congruent number.

It is an unprimeable number.

497942 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, 124484 + ... + 124487.

It is an arithmetic number, because the mean of its divisors is an integer number (186729).

2⁴⁹⁷⁹⁴² is an apocalyptic number.

497942 is a deficient number, since it is larger than the sum of its proper divisors (248974).

497942 is a wasteful number, since it uses less digits than its factorization.

497942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248973.

The product of its digits is 18144, while the sum is 35.

The square root of 497942 is about 705.6500549139. The cubic root of 497942 is about 79.2610071387.

The spelling of 497942 in words is "four hundred ninety-seven thousand, nine hundred forty-two".