38642398 has 8 divisors (see below), whose sum is σ = 58537800. Its totient is φ = 19129800.

The previous prime is 38642381. The next prime is 38642419. The reversal of 38642398 is 89324683.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95448 + ... + 95851.

It is an arithmetic number, because the mean of its divisors is an integer number (7317225).

Almost surely, 2^38642398 is an apocalyptic number.

38642398 is a deficient number, since it is larger than the sum of its proper divisors (19895402).

38642398 is a wasteful number, since it uses less digits than its factorization.

38642398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191402.

The product of its digits is 248832, while the sum is 43.

The square root of 38642398 is about 6216.3009901387. The cubic root of 38642398 is about 338.0814609394.

The spelling of 38642398 in words is "thirty-eight million, six hundred forty-two thousand, three hundred ninety-eight".