38649342 has 8 divisors (see below), whose sum is σ = 77298696. Its totient is φ = 12883112.

The previous prime is 38649319. The next prime is 38649353. The reversal of 38649342 is 24394683.

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

38649342 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 38649342.

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, 3220773 + ... + 3220784.

It is an arithmetic number, because the mean of its divisors is an integer number (9662337).

Almost surely, 2^38649342 is an apocalyptic number.

38649342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38649342 is a wasteful number, since it uses less digits than its factorization.

38649342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441562.

The product of its digits is 124416, while the sum is 39.

The square root of 38649342 is about 6216.8594965626. The cubic root of 38649342 is about 338.1017106925.

The spelling of 38649342 in words is "thirty-eight million, six hundred forty-nine thousand, three hundred forty-two".