497642 has 4 divisors (see below), whose sum is σ = 746466. Its totient is φ = 248820.

The previous prime is 497633. The next prime is 497659. The reversal of 497642 is 246794.

497642 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246794 = 2 ⋅123397.

It can be written as a sum of positive squares in only one way, i.e., 491401 + 6241 = 701^2 + 79^2 .

It is a d-powerful number, because it can be written as 4⁵ + 9³ + 6⁷ + 7⁶ + 4⁸ + 2¹⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 497599 and 497608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124409 + ... + 124412.

2⁴⁹⁷⁶⁴² is an apocalyptic number.

497642 is a deficient number, since it is larger than the sum of its proper divisors (248824).

497642 is a wasteful number, since it uses less digits than its factorization.

497642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248823.

The product of its digits is 12096, while the sum is 32.

The square root of 497642 is about 705.4374529326. The cubic root of 497642 is about 79.2450862222.

The spelling of 497642 in words is "four hundred ninety-seven thousand, six hundred forty-two".