438631151 has 16 divisors (see below), whose sum is σ = 507386880. Its totient is φ = 371420640.

The previous prime is 438631129. The next prime is 438631163. The reversal of 438631151 is 151136834.

It is a cyclic number.

It is not a de Polignac number, because 438631151 - 2²⁶ = 371522287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438631181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355706 + ... + 356936.

It is an arithmetic number, because the mean of its divisors is an integer number (31711680).

Almost surely, 2^438631151 is an apocalyptic number.

438631151 is a deficient number, since it is larger than the sum of its proper divisors (68755729).

438631151 is a wasteful number, since it uses less digits than its factorization.

438631151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its digits is 8640, while the sum is 32.

The square root of 438631151 is about 20943.5228889507. The cubic root of 438631151 is about 759.8009352833.

Adding to 438631151 its reverse (151136834), we get a palindrome (589767985).

The spelling of 438631151 in words is "four hundred thirty-eight million, six hundred thirty-one thousand, one hundred fifty-one".