421647054 has 16 divisors (see below), whose sum is σ = 848955600. Its totient is φ = 139605440.

The previous prime is 421647053. The next prime is 421647059. The reversal of 421647054 is 450746124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421647053) 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, 234927 + ... + 236714.

It is an arithmetic number, because the mean of its divisors is an integer number (53059725).

Almost surely, 2^421647054 is an apocalyptic number.

421647054 is an abundant number, since it is smaller than the sum of its proper divisors (427308546).

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

421647054 is a wasteful number, since it uses less digits than its factorization.

421647054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471795.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 421647054 is about 20534.0462159799. The cubic root of 421647054 is about 749.8648965531.

The spelling of 421647054 in words is "four hundred twenty-one million, six hundred forty-seven thousand, fifty-four".