490001765 has 16 divisors (see below), whose sum is σ = 643743936. Its totient is φ = 355094400.

The previous prime is 490001723. The next prime is 490001789. The reversal of 490001765 is 567100094.

It is a happy number.

It is not a de Polignac number, because 490001765 - 2⁸ = 490001509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176 + ... + 31305.

It is an arithmetic number, because the mean of its divisors is an integer number (40233996).

Almost surely, 2^490001765 is an apocalyptic number.

It is an amenable number.

490001765 is a deficient number, since it is larger than the sum of its proper divisors (153742171).

490001765 is a wasteful number, since it uses less digits than its factorization.

490001765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31780.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 490001765 is about 22135.9834884290. The cubic root of 490001765 is about 788.3744628939.

The spelling of 490001765 in words is "four hundred ninety million, one thousand, seven hundred sixty-five".