438769071 has 48 divisors (see below), whose sum is σ = 741744640. Its totient is φ = 247510080.

The previous prime is 438768971. The next prime is 438769073. The reversal of 438769071 is 170967834.

It is not a de Polignac number, because 438769071 - 2¹⁰ = 438768047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438769073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65730 + ... + 72096.

Almost surely, 2^438769071 is an apocalyptic number.

438769071 is a deficient number, since it is larger than the sum of its proper divisors (302975569).

438769071 is a wasteful number, since it uses less digits than its factorization.

438769071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436 (or 6433 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 438769071 is about 20946.8152949321. The cubic root of 438769071 is about 759.8805623711.

The spelling of 438769071 in words is "four hundred thirty-eight million, seven hundred sixty-nine thousand, seventy-one".