38404086 has 32 divisors (see below), whose sum is σ = 87989760. Its totient is φ = 10946496.

The previous prime is 38404081. The next prime is 38404099. The reversal of 38404086 is 68040483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38404081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23095 + ... + 24701.

It is an arithmetic number, because the mean of its divisors is an integer number (2749680).

Almost surely, 2^38404086 is an apocalyptic number.

38404086 is an abundant number, since it is smaller than the sum of its proper divisors (49585674).

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

38404086 is a wasteful number, since it uses less digits than its factorization.

38404086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 38404086 is about 6197.1030328695. The cubic root of 38404086 is about 337.3850318972.

It can be divided in two parts, 384040 and 86, that added together give a triangular number (384126 = T₈₇₆).

The spelling of 38404086 in words is "thirty-eight million, four hundred four thousand, eighty-six".