421692 has 12 divisors (see below), whose sum is σ = 983976. Its totient is φ = 140560.

The previous prime is 421691. The next prime is 421697. The reversal of 421692 is 296124.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 421692.

It is not an unprimeable number, because it can be changed into a prime (421691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17559 + ... + 17582.

It is an arithmetic number, because the mean of its divisors is an integer number (81998).

2⁴²¹⁶⁹² is an apocalyptic number.

It is an amenable number.

421692 is an abundant number, since it is smaller than the sum of its proper divisors (562284).

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

421692 is a wasteful number, since it uses less digits than its factorization.

421692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35148 (or 35146 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 421692 is about 649.3781640924. The cubic root of 421692 is about 74.9891539872.

It can be divided in two parts, 4 and 21692, that multiplied together give a palindrome (86768).

The spelling of 421692 in words is "four hundred twenty-one thousand, six hundred ninety-two".