234643477 has 8 divisors (see below), whose sum is σ = 236174400. Its totient is φ = 233118144.

The previous prime is 234643471. The next prime is 234643481. The reversal of 234643477 is 774346432.

234643477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234643477 is a prime.

It is a super-2 number, since 2×234643477² = 110115122597299058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234643471) 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, 109149 + ... + 111277.

It is an arithmetic number, because the mean of its divisors is an integer number (29521800).

Almost surely, 2^234643477 is an apocalyptic number.

It is an amenable number.

234643477 is a deficient number, since it is larger than the sum of its proper divisors (1530923).

234643477 is a wasteful number, since it uses less digits than its factorization.

234643477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795.

The product of its digits is 338688, while the sum is 40.

The square root of 234643477 is about 15318.0768048734. The cubic root of 234643477 is about 616.7883496260.

The spelling of 234643477 in words is "two hundred thirty-four million, six hundred forty-three thousand, four hundred seventy-seven".