492146 has 4 divisors (see below), whose sum is σ = 738222. Its totient is φ = 246072.

The previous prime is 492113. The next prime is 492227. The reversal of 492146 is 641294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641294 = 2 ⋅320647.

It can be written as a sum of positive squares in only one way, i.e., 436921 + 55225 = 661^2 + 235^2 .

It is an unprimeable number.

492146 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, 123035 + ... + 123038.

2⁴⁹²¹⁴⁶ is an apocalyptic number.

492146 is a deficient number, since it is larger than the sum of its proper divisors (246076).

492146 is a wasteful number, since it uses less digits than its factorization.

492146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246075.

The product of its digits is 1728, while the sum is 26.

The square root of 492146 is about 701.5311824859. The cubic root of 492146 is about 78.9522758275.

The spelling of 492146 in words is "four hundred ninety-two thousand, one hundred forty-six".