438769870 has 32 divisors (see below), whose sum is σ = 984669696. Its totient is φ = 136759200.

The previous prime is 438769853. The next prime is 438769901. The reversal of 438769870 is 78967834.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284146 + ... + 285685.

It is an arithmetic number, because the mean of its divisors is an integer number (30770928).

Almost surely, 2^438769870 is an apocalyptic number.

438769870 is an abundant number, since it is smaller than the sum of its proper divisors (545899826).

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

438769870 is a wasteful number, since it uses less digits than its factorization.

438769870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569856.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 438769870 is about 20946.8343670350. The cubic root of 438769870 is about 759.8810236192.

The spelling of 438769870 in words is "four hundred thirty-eight million, seven hundred sixty-nine thousand, eight hundred seventy".