1000938340 has 24 divisors (see below), whose sum is σ = 2111239872. Its totient is φ = 398609760.

The previous prime is 1000938329. The next prime is 1000938347. The reversal of 1000938340 is 438390001.

It is a junction number, because it is equal to n+sod(n) for n = 1000938299 and 1000938308.

It is not an unprimeable number, because it can be changed into a prime (1000938347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105696 + ... + 114775.

It is an arithmetic number, because the mean of its divisors is an integer number (87968328).

Almost surely, 2^1000938340 is an apocalyptic number.

1000938340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000938340 is an abundant number, since it is smaller than the sum of its proper divisors (1110301532).

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

1000938340 is a wasteful number, since it uses less digits than its factorization.

1000938340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220707 (or 220705 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1000938340 is about 31637.6095810034. The cubic root of 1000938340 is about 1000.3126822196.

The spelling of 1000938340 in words is "one billion, nine hundred thirty-eight thousand, three hundred forty".