421832054 has 32 divisors (see below), whose sum is σ = 734909760. Its totient is φ = 177864192.

The previous prime is 421832039. The next prime is 421832077. The reversal of 421832054 is 450238124.

It is a happy number.

It is a Curzon number.

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, 289592 + ... + 291044.

It is an arithmetic number, because the mean of its divisors is an integer number (22965930).

Almost surely, 2^421832054 is an apocalyptic number.

421832054 is a deficient number, since it is larger than the sum of its proper divisors (313077706).

421832054 is a wasteful number, since it uses less digits than its factorization.

421832054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 421832054 is about 20538.5504357050. The cubic root of 421832054 is about 749.9745496549.

The spelling of 421832054 in words is "four hundred twenty-one million, eight hundred thirty-two thousand, fifty-four".