438046 has 16 divisors (see below), whose sum is σ = 763776. Its totient is φ = 184536.

The previous prime is 438029. The next prime is 438047. The reversal of 438046 is 640834.

It is a self number, because there is not a number n which added to its sum of digits gives 438046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438047) 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, 705 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (47736).

2⁴³⁸⁰⁴⁶ is an apocalyptic number.

438046 is a deficient number, since it is larger than the sum of its proper divisors (325730).

438046 is a wasteful number, since it uses less digits than its factorization.

438046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 438046 is about 661.8504362770. The cubic root of 438046 is about 75.9462916938.

The spelling of 438046 in words is "four hundred thirty-eight thousand, forty-six".