438377149 has 8 divisors (see below), whose sum is σ = 501150528. Its totient is φ = 375640800.

The previous prime is 438377143. The next prime is 438377209. The reversal of 438377149 is 941773834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 438377149 - 2⁵ = 438377117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438377099 and 438377108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438377143) 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, 24174 + ... + 38224.

It is an arithmetic number, because the mean of its divisors is an integer number (62643816).

Almost surely, 2^438377149 is an apocalyptic number.

It is an amenable number.

438377149 is a deficient number, since it is larger than the sum of its proper divisors (62773379).

438377149 is a wasteful number, since it uses less digits than its factorization.

438377149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18515.

The product of its digits is 508032, while the sum is 46.

The square root of 438377149 is about 20937.4580357788. The cubic root of 438377149 is about 759.6542454270.

The spelling of 438377149 in words is "four hundred thirty-eight million, three hundred seventy-seven thousand, one hundred forty-nine".