1240929338 has 16 divisors (see below), whose sum is σ = 2059214400. Its totient is φ = 556113600.

The previous prime is 1240929317. The next prime is 1240929353. The reversal of 1240929338 is 8339290421.

It is a junction number, because it is equal to n+sod(n) for n = 1240929295 and 1240929304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395663 + ... + 398786.

It is an arithmetic number, because the mean of its divisors is an integer number (128700900).

Almost surely, 2^1240929338 is an apocalyptic number.

1240929338 is a deficient number, since it is larger than the sum of its proper divisors (818285062).

1240929338 is a wasteful number, since it uses less digits than its factorization.

1240929338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794533.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1240929338 is about 35226.8269646870. The cubic root of 1240929338 is about 1074.6053970483.

The spelling of 1240929338 in words is "one billion, two hundred forty million, nine hundred twenty-nine thousand, three hundred thirty-eight".