1034631643 has 8 divisors (see below), whose sum is σ = 1114414400. Its totient is φ = 957381768.

The previous prime is 1034631641. The next prime is 1034631649. The reversal of 1034631643 is 3461364301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1034631643 - 2¹ = 1034631641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1034631641) 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, 632373 + ... + 634006.

It is an arithmetic number, because the mean of its divisors is an integer number (139301800).

Almost surely, 2^1034631643 is an apocalyptic number.

1034631643 is a deficient number, since it is larger than the sum of its proper divisors (79782757).

1034631643 is a wasteful number, since it uses less digits than its factorization.

1034631643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266441.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1034631643 is about 32165.6904635980. The cubic root of 1034631643 is about 1011.4131259991.

Adding to 1034631643 its reverse (3461364301), we get a palindrome (4495995944).

The spelling of 1034631643 in words is "one billion, thirty-four million, six hundred thirty-one thousand, six hundred forty-three".