38431426 has 8 divisors (see below), whose sum is σ = 62887824. Its totient is φ = 17468820.

The previous prime is 38431423. The next prime is 38431429. The reversal of 38431426 is 62413483.

It is an interprime number because it is at equal distance from previous prime (38431423) and next prime (38431429).

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

It is a super-3 number, since 3×38431426³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38431423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873420 + ... + 873463.

It is an arithmetic number, because the mean of its divisors is an integer number (7860978).

Almost surely, 2^38431426 is an apocalyptic number.

38431426 is a deficient number, since it is larger than the sum of its proper divisors (24456398).

38431426 is a wasteful number, since it uses less digits than its factorization.

38431426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746896.

The product of its digits is 13824, while the sum is 31.

The square root of 38431426 is about 6199.3085098259. The cubic root of 38431426 is about 337.4650747582.

The spelling of 38431426 in words is "thirty-eight million, four hundred thirty-one thousand, four hundred twenty-six".