38324749 has 8 divisors (see below), whose sum is σ = 40654008. Its totient is φ = 36003840.

The previous prime is 38324743. The next prime is 38324761. The reversal of 38324749 is 94742383.

It can be written as a sum of positive squares in 4 ways, for example, as 29354724 + 8970025 = 5418^2 + 2995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38324749 - 2¹⁹ = 37800461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38324743) 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, 9139 + ... + 12655.

It is an arithmetic number, because the mean of its divisors is an integer number (5081751).

Almost surely, 2^38324749 is an apocalyptic number.

It is an amenable number.

38324749 is a deficient number, since it is larger than the sum of its proper divisors (2329259).

38324749 is a wasteful number, since it uses less digits than its factorization.

38324749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175.

The product of its digits is 145152, while the sum is 40.

The square root of 38324749 is about 6190.6985873971. The cubic root of 38324749 is about 337.1525430094.

The spelling of 38324749 in words is "thirty-eight million, three hundred twenty-four thousand, seven hundred forty-nine".