438109004 has 12 divisors (see below), whose sum is σ = 767323200. Its totient is φ = 218873808.

The previous prime is 438108977. The next prime is 438109027. The reversal of 438109004 is 400901834.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39644 + ... + 49475.

It is an arithmetic number, because the mean of its divisors is an integer number (63943600).

Almost surely, 2^438109004 is an apocalyptic number.

It is an amenable number.

438109004 is a deficient number, since it is larger than the sum of its proper divisors (329214196).

438109004 is a wasteful number, since it uses less digits than its factorization.

438109004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90352 (or 90350 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 438109004 is about 20931.0535807446. The cubic root of 438109004 is about 759.4993262860.

The spelling of 438109004 in words is "four hundred thirty-eight million, one hundred nine thousand, four".