234421641 has 32 divisors (see below), whose sum is σ = 357315840. Its totient is φ = 151804800.

The previous prime is 234421637. The next prime is 234421643. The reversal of 234421641 is 146124432.

It is a happy number.

234421641 is a `hidden beast` number, since 234 + 421 + 6 + 4 + 1 = 666.

It is not a de Polignac number, because 234421641 - 2² = 234421637 is a prime.

It is a super-3 number, since 3×234421641³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (234421643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465796 + ... + 466298.

It is an arithmetic number, because the mean of its divisors is an integer number (11166120).

Almost surely, 2^234421641 is an apocalyptic number.

It is an amenable number.

234421641 is a deficient number, since it is larger than the sum of its proper divisors (122894199).

234421641 is a wasteful number, since it uses less digits than its factorization.

234421641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 968 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 234421641 is about 15310.8341052994. The cubic root of 234421641 is about 616.5939142157.

It can be divided in two parts, 234 and 421641, that added together give a cube (421875 = 75³).

The spelling of 234421641 in words is "two hundred thirty-four million, four hundred twenty-one thousand, six hundred forty-one".