1002992406 has 96 divisors (see below), whose sum is σ = 2323722240. Its totient is φ = 286094592.

The previous prime is 1002992399. The next prime is 1002992429. The reversal of 1002992406 is 6042992001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7897515 + ... + 7897641.

It is an arithmetic number, because the mean of its divisors is an integer number (24205440).

Almost surely, 2^1002992406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002992406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161861120).

1002992406 is an abundant number, since it is smaller than the sum of its proper divisors (1320729834).

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

1002992406 is a wasteful number, since it uses less digits than its factorization.

1002992406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1002992406 is about 31670.0553520198. The cubic root of 1002992406 is about 1000.9964753737.

The spelling of 1002992406 in words is "one billion, two million, nine hundred ninety-two thousand, four hundred six".