1283890630 has 16 divisors (see below), whose sum is σ = 2521094544. Its totient is φ = 466869280.

The previous prime is 1283890589. The next prime is 1283890633. The reversal of 1283890630 is 360983821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283890633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5835757 + ... + 5835976.

It is an arithmetic number, because the mean of its divisors is an integer number (157568409).

Almost surely, 2^1283890630 is an apocalyptic number.

1283890630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1283890630 is a deficient number, since it is larger than the sum of its proper divisors (1237203914).

1283890630 is a wasteful number, since it uses less digits than its factorization.

1283890630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671751.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1283890630 is about 35831.4195923075. The cubic root of 1283890630 is about 1086.8660167011.

The spelling of 1283890630 in words is "one billion, two hundred eighty-three million, eight hundred ninety thousand, six hundred thirty".