1000032276 has 48 divisors (see below), whose sum is σ = 2479921920. Its totient is φ = 312560640.

The previous prime is 1000032251. The next prime is 1000032277. The reversal of 1000032276 is 6722300001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000032277) 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, 46240 + ... + 64328.

It is an arithmetic number, because the mean of its divisors is an integer number (51665040).

Almost surely, 2^1000032276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000032276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239960960).

1000032276 is an abundant number, since it is smaller than the sum of its proper divisors (1479889644).

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

1000032276 is a wasteful number, since it uses less digits than its factorization.

1000032276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18384 (or 18382 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1000032276 is about 31623.2869259348. The cubic root of 1000032276 is about 1000.0107585509.

Adding to 1000032276 its reverse (6722300001), we get a palindrome (7722332277).

The spelling of 1000032276 in words is "one billion, thirty-two thousand, two hundred seventy-six".