38785470 has 64 divisors (see below), whose sum is σ = 97416000. Its totient is φ = 9870336.

The previous prime is 38785469. The next prime is 38785471. The reversal of 38785470 is 7458783.

It is an interprime number because it is at equal distance from previous prime (38785469) and next prime (38785471).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38785471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94626 + ... + 95034.

It is an arithmetic number, because the mean of its divisors is an integer number (1522125).

Almost surely, 2^38785470 is an apocalyptic number.

38785470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38785470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48708000).

38785470 is an abundant number, since it is smaller than the sum of its proper divisors (58630530).

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

38785470 is a wasteful number, since it uses less digits than its factorization.

38785470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 38785470 is about 6227.7981662864. The cubic root of 38785470 is about 338.4981916096.

The spelling of 38785470 in words is "thirty-eight million, seven hundred eighty-five thousand, four hundred seventy".