38454388 has 12 divisors (see below), whose sum is σ = 76908832. Its totient is φ = 16480440.

The previous prime is 38454379. The next prime is 38454401. The reversal of 38454388 is 88345483.

38454388 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 686658 + ... + 686713.

Almost surely, 2^38454388 is an apocalyptic number.

It is an amenable number.

38454388 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.

38454388 is a wasteful number, since it uses less digits than its factorization.

38454388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373382 (or 1373380 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 38454388 is about 6201.1602140245. The cubic root of 38454388 is about 337.5322708969.

The spelling of 38454388 in words is "thirty-eight million, four hundred fifty-four thousand, three hundred eighty-eight".