38946709 has 8 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 38497536.

The previous prime is 38946707. The next prime is 38946737. The reversal of 38946709 is 90764983.

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 38946709 - 2¹ = 38946707 is a prime.

It is a super-2 number, since 2×38946709² = 3033692283861362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38946701) 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, 56682 + ... + 57364.

It is an arithmetic number, because the mean of its divisors is an integer number (4924800).

Almost surely, 2^38946709 is an apocalyptic number.

It is an amenable number.

38946709 is a deficient number, since it is larger than the sum of its proper divisors (451691).

38946709 is a wasteful number, since it uses less digits than its factorization.

38946709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 38946709 is about 6240.7298451383. The cubic root of 38946709 is about 338.9666114586.

The spelling of 38946709 in words is "thirty-eight million, nine hundred forty-six thousand, seven hundred nine".