1008923940 has 72 divisors (see below), whose sum is σ = 3221487360. Its totient is φ = 254885184.

The previous prime is 1008923933. The next prime is 1008923977. The reversal of 1008923940 is 493298001.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1008923895 and 1008923904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144084 + ... + 150923.

It is an arithmetic number, because the mean of its divisors is an integer number (44742880).

Almost surely, 2^1008923940 is an apocalyptic number.

1008923940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1008923940 is an abundant number, since it is smaller than the sum of its proper divisors (2212563420).

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

1008923940 is a wasteful number, since it uses less digits than its factorization.

1008923940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295041 (or 295036 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1008923940 is about 31763.5630872860. The cubic root of 1008923940 is about 1002.9658417533.

The spelling of 1008923940 in words is "one billion, eight million, nine hundred twenty-three thousand, nine hundred forty".