38453320 has 64 divisors (see below), whose sum is σ = 92398320. Its totient is φ = 14352384.

The previous prime is 38453287. The next prime is 38453341. The reversal of 38453320 is 2335483.

It can be written as a sum of positive squares in 8 ways, for example, as 27311076 + 11142244 = 5226^2 + 3338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131094 + ... + 131386.

Almost surely, 2^38453320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38453320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46199160).

38453320 is an abundant number, since it is smaller than the sum of its proper divisors (53945000).

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

38453320 is a wasteful number, since it uses less digits than its factorization.

38453320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 38453320 is about 6201.0741005087. The cubic root of 38453320 is about 337.5291460883.

The spelling of 38453320 in words is "thirty-eight million, four hundred fifty-three thousand, three hundred twenty".