38670450 has 96 divisors (see below), whose sum is σ = 118075776. Its totient is φ = 8156160.

The previous prime is 38670449. The next prime is 38670451. The reversal of 38670450 is 5407683.

It is an interprime number because it is at equal distance from previous prime (38670449) and next prime (38670451).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38670451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12234 + ... + 15066.

It is an arithmetic number, because the mean of its divisors is an integer number (1229956).

Almost surely, 2^38670450 is an apocalyptic number.

38670450 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 38670450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59037888).

38670450 is an abundant number, since it is smaller than the sum of its proper divisors (79405326).

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

38670450 is a wasteful number, since it uses less digits than its factorization.

38670450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 38670450 is about 6218.5569065499. The cubic root of 38670450 is about 338.1632499212.

The spelling of 38670450 in words is "thirty-eight million, six hundred seventy thousand, four hundred fifty".