1000343630 has 32 divisors (see below), whose sum is σ = 2115415008. Its totient is φ = 335779200.

The previous prime is 1000343627. The next prime is 1000343633. The reversal of 1000343630 is 363430001.

It is an interprime number because it is at equal distance from previous prime (1000343627) and next prime (1000343633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000343633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348341 + ... + 351200.

It is an arithmetic number, because the mean of its divisors is an integer number (66106719).

Almost surely, 2^1000343630 is an apocalyptic number.

1000343630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000343630 is an abundant number, since it is smaller than the sum of its proper divisors (1115071378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000343630 is a wasteful number, since it uses less digits than its factorization.

1000343630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699572.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1000343630 is about 31628.2094023674. The cubic root of 1000343630 is about 1000.1145302157.

Adding to 1000343630 its reverse (363430001), we get a palindrome (1363773631).

The spelling of 1000343630 in words is "one billion, three hundred forty-three thousand, six hundred thirty".