431146 has 4 divisors (see below), whose sum is σ = 646722. Its totient is φ = 215572.

The previous prime is 431141. The next prime is 431147. The reversal of 431146 is 641134.

It is a happy number.

431146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 290521 + 140625 = 539^2 + 375^2 .

It is not an unprimeable number, because it can be changed into a prime (431141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107785 + ... + 107788.

2⁴³¹¹⁴⁶ is an apocalyptic number.

431146 is a deficient number, since it is larger than the sum of its proper divisors (215576).

431146 is a wasteful number, since it uses less digits than its factorization.

431146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215575.

The product of its digits is 288, while the sum is 19.

The square root of 431146 is about 656.6170878069. The cubic root of 431146 is about 75.5454165877.

It can be divided in two parts, 431 and 146, that multiplied together give a palindrome (62926).

The spelling of 431146 in words is "four hundred thirty-one thousand, one hundred forty-six".