1009479634 has 8 divisors (see below), whose sum is σ = 1515253248. Its totient is φ = 504395220.

The previous prime is 1009479631. The next prime is 1009479643. The reversal of 1009479634 is 4369749001.

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

It is not an unprimeable number, because it can be changed into a prime (1009479631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168622 + ... + 174505.

It is an arithmetic number, because the mean of its divisors is an integer number (189406656).

Almost surely, 2^1009479634 is an apocalyptic number.

1009479634 is a deficient number, since it is larger than the sum of its proper divisors (505773614).

1009479634 is a wasteful number, since it uses less digits than its factorization.

1009479634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344600.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1009479634 is about 31772.3092330413. The cubic root of 1009479634 is about 1003.1499454257.

The spelling of 1009479634 in words is "one billion, nine million, four hundred seventy-nine thousand, six hundred thirty-four".