38483990 has 16 divisors (see below), whose sum is σ = 69439680. Its totient is φ = 15356160.

The previous prime is 38483983. The next prime is 38483999. The reversal of 38483990 is 9938483.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38483999) 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 7 ways as a sum of consecutive naturals, for example, 155 + ... + 8774.

It is an arithmetic number, because the mean of its divisors is an integer number (4339980).

Almost surely, 2^38483990 is an apocalyptic number.

38483990 is a deficient number, since it is larger than the sum of its proper divisors (30955690).

38483990 is a wasteful number, since it uses less digits than its factorization.

38483990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 38483990 is about 6203.5465662796. The cubic root of 38483990 is about 337.6188589133.

The spelling of 38483990 in words is "thirty-eight million, four hundred eighty-three thousand, nine hundred ninety".