238474646 has 16 divisors (see below), whose sum is σ = 367659600. Its totient is φ = 115946208.

The previous prime is 238474633. The next prime is 238474673. The reversal of 238474646 is 646474832.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 238474597 and 238474606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13640 + ... + 25748.

It is an arithmetic number, because the mean of its divisors is an integer number (22978725).

Almost surely, 2^238474646 is an apocalyptic number.

238474646 is a deficient number, since it is larger than the sum of its proper divisors (129184954).

238474646 is a wasteful number, since it uses less digits than its factorization.

238474646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383.

The product of its digits is 774144, while the sum is 44.

The square root of 238474646 is about 15442.6243236051. The cubic root of 238474646 is about 620.1271383391.

The spelling of 238474646 in words is "two hundred thirty-eight million, four hundred seventy-four thousand, six hundred forty-six".