421165032 has 64 divisors (see below), whose sum is σ = 1071744960. Its totient is φ = 137894400.

The previous prime is 421165027. The next prime is 421165033. The reversal of 421165032 is 230561124.

It is a super-2 number, since 2×421165032² = 354759968359122048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 421164993 and 421165011.

It is not an unprimeable number, because it can be changed into a prime (421165033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737307 + ... + 737877.

It is an arithmetic number, because the mean of its divisors is an integer number (16746015).

Almost surely, 2^421165032 is an apocalyptic number.

It is an amenable number.

421165032 is an abundant number, since it is smaller than the sum of its proper divisors (650579928).

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

421165032 is a wasteful number, since it uses less digits than its factorization.

421165032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 421165032 is about 20522.3057184128. The cubic root of 421165032 is about 749.5790419922.

The spelling of 421165032 in words is "four hundred twenty-one million, one hundred sixty-five thousand, thirty-two".