1000439652 has 24 divisors (see below), whose sum is σ = 2336416096. Its totient is φ = 333186048.

The previous prime is 1000439599. The next prime is 1000439659. The reversal of 1000439652 is 2569340001.

1000439652 = 294² + 295² + ... + 1446².

It is a super-2 number, since 2×1000439652² = 2001758994587762208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000439659) 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, 22318 + ... + 49989.

Almost surely, 2^1000439652 is an apocalyptic number.

1000439652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000439652 is an abundant number, since it is smaller than the sum of its proper divisors (1335976444).

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

1000439652 is a wasteful number, since it uses less digits than its factorization.

1000439652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73467 (or 73465 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1000439652 is about 31629.7273462798. The cubic root of 1000439652 is about 1000.1465291948.

Adding to 1000439652 its reverse (2569340001), we get a palindrome (3569779653).

The spelling of 1000439652 in words is "one billion, four hundred thirty-nine thousand, six hundred fifty-two".