490781342 has 4 divisors (see below), whose sum is σ = 736172016. Its totient is φ = 245390670.

The previous prime is 490781341. The next prime is 490781353. The reversal of 490781342 is 243187094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243187094 = 2 ⋅121593547.

It is a junction number, because it is equal to n+sod(n) for n = 490781296 and 490781305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490781341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122695334 + ... + 122695337.

It is an arithmetic number, because the mean of its divisors is an integer number (184043004).

Almost surely, 2^490781342 is an apocalyptic number.

490781342 is a deficient number, since it is larger than the sum of its proper divisors (245390674).

490781342 is a wasteful number, since it uses less digits than its factorization.

490781342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245390673.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 490781342 is about 22153.5853080263. The cubic root of 490781342 is about 788.7923341445.

The spelling of 490781342 in words is "four hundred ninety million, seven hundred eighty-one thousand, three hundred forty-two".