1029627396 has 144 divisors (see below), whose sum is σ = 3164676480. Its totient is φ = 288550080.

The previous prime is 1029627299. The next prime is 1029627409. The reversal of 1029627396 is 6937269201.

It is a happy number.

1029627396 is a `hidden beast` number, since 1 + 0 + 296 + 273 + 96 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278641 + ... + 282311.

It is an arithmetic number, because the mean of its divisors is an integer number (21976920).

Almost surely, 2^1029627396 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 1029627396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582338240).

1029627396 is an abundant number, since it is smaller than the sum of its proper divisors (2135049084).

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

1029627396 is a wasteful number, since it uses less digits than its factorization.

1029627396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 1029627396 is about 32087.8075910462. The cubic root of 1029627396 is about 1009.7798415670.

The spelling of 1029627396 in words is "one billion, twenty-nine million, six hundred twenty-seven thousand, three hundred ninety-six".