238984454 has 12 divisors (see below), whose sum is σ = 367033524. Its totient is φ = 116643324.

The previous prime is 238984441. The next prime is 238984463. The reversal of 238984454 is 454489832.

It is a super-2 number, since 2×238984454² = 114227138507356232, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 238984454 parts by 21862 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 238984399 and 238984408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142529 + ... + 144195.

It is an arithmetic number, because the mean of its divisors is an integer number (30586127).

Almost surely, 2^238984454 is an apocalyptic number.

238984454 is a deficient number, since it is larger than the sum of its proper divisors (128049070).

238984454 is an frugal number, since it uses more digits than its factorization.

238984454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379 (or 1712 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 238984454 is about 15459.1220319913. The cubic root of 238984454 is about 620.5687237298.

The spelling of 238984454 in words is "two hundred thirty-eight million, nine hundred eighty-four thousand, four hundred fifty-four".