1002902238 has 24 divisors (see below), whose sum is σ = 2340105768. Its totient is φ = 308585232.

The previous prime is 1002902221. The next prime is 1002902239. The reversal of 1002902238 is 8322092001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002902239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2142720 + ... + 2143187.

It is an arithmetic number, because the mean of its divisors is an integer number (97504407).

Almost surely, 2^1002902238 is an apocalyptic number.

1002902238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1002902238 is an abundant number, since it is smaller than the sum of its proper divisors (1337203530).

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

1002902238 is a wasteful number, since it uses less digits than its factorization.

1002902238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285928 (or 4285925 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1002902238 is about 31668.6317670972. The cubic root of 1002902238 is about 1000.9664782855.

Adding to 1002902238 its reverse (8322092001), we get a palindrome (9324994239).

The spelling of 1002902238 in words is "one billion, two million, nine hundred two thousand, two hundred thirty-eight".