38404770 has 16 divisors (see below), whose sum is σ = 92171520. Its totient is φ = 10241264.

The previous prime is 38404763. The next prime is 38404771. The reversal of 38404770 is 7740483.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38404771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640050 + ... + 640109.

It is an arithmetic number, because the mean of its divisors is an integer number (5760720).

Almost surely, 2^38404770 is an apocalyptic number.

38404770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38404770 is an abundant number, since it is smaller than the sum of its proper divisors (53766750).

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

38404770 is a wasteful number, since it uses less digits than its factorization.

38404770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280169.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 38404770 is about 6197.1582197004. The cubic root of 38404770 is about 337.3870348958.

The spelling of 38404770 in words is "thirty-eight million, four hundred four thousand, seven hundred seventy".