1074399918 has 16 divisors (see below), whose sum is σ = 2155802880. Its totient is φ = 356966136.

The previous prime is 1074399899. The next prime is 1074399919. The reversal of 1074399918 is 8199934701.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074399919) 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, 289798 + ... + 293481.

It is an arithmetic number, because the mean of its divisors is an integer number (134737680).

Almost surely, 2^1074399918 is an apocalyptic number.

1074399918 is an abundant number, since it is smaller than the sum of its proper divisors (1081402962).

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

1074399918 is a wasteful number, since it uses less digits than its factorization.

1074399918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583591.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 1074399918 is about 32778.0401793640. The cubic root of 1074399918 is about 1024.2091597232.

The spelling of 1074399918 in words is "one billion, seventy-four million, three hundred ninety-nine thousand, nine hundred eighteen".