490739 has 4 divisors (see below), whose sum is σ = 519624. Its totient is φ = 461856.

The previous prime is 490733. The next prime is 490741. The reversal of 490739 is 937094.

It is a happy number.

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

It is not a de Polignac number, because 490739 - 2¹² = 486643 is a prime.

It is a super-2 number, since 2×490739² = 481649532242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14417 + ... + 14450.

It is an arithmetic number, because the mean of its divisors is an integer number (129906).

2⁴⁹⁰⁷³⁹ is an apocalyptic number.

490739 is a deficient number, since it is larger than the sum of its proper divisors (28885).

490739 is a wasteful number, since it uses less digits than its factorization.

490739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28884.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 490739 is about 700.5276582691. The cubic root of 490739 is about 78.8769649225.

The spelling of 490739 in words is "four hundred ninety thousand, seven hundred thirty-nine".