490232405 has 16 divisors (see below), whose sum is σ = 639352560. Its totient is φ = 358691328.

The previous prime is 490232399. The next prime is 490232411. The reversal of 490232405 is 504232094.

It is an interprime number because it is at equal distance from previous prime (490232399) and next prime (490232411).

It can be written as a sum of positive squares in 8 ways, for example, as 1203409 + 489028996 = 1097^2 + 22114^2 .

It is a cyclic number.

It is not a de Polignac number, because 490232405 - 2⁴ = 490232389 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, 27512 + ... + 41681.

It is an arithmetic number, because the mean of its divisors is an integer number (39959535).

Almost surely, 2^490232405 is an apocalyptic number.

It is an amenable number.

490232405 is a deficient number, since it is larger than the sum of its proper divisors (149120155).

490232405 is a wasteful number, since it uses less digits than its factorization.

490232405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69320.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 490232405 is about 22141.1924927272. The cubic root of 490232405 is about 788.4981373905.

Adding to 490232405 its reverse (504232094), we get a palindrome (994464499).

The spelling of 490232405 in words is "four hundred ninety million, two hundred thirty-two thousand, four hundred five".