38946461 has 4 divisors (see below), whose sum is σ = 39012732. Its totient is φ = 38880192.

The previous prime is 38946437. The next prime is 38946493. The reversal of 38946461 is 16464983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16464983 = 487 ⋅33809.

It can be written as a sum of positive squares in 2 ways, for example, as 14394436 + 24552025 = 3794^2 + 4955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38946461 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 (38946421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32246 + ... + 33431.

It is an arithmetic number, because the mean of its divisors is an integer number (9753183).

Almost surely, 2^38946461 is an apocalyptic number.

It is an amenable number.

38946461 is a deficient number, since it is larger than the sum of its proper divisors (66271).

38946461 is an equidigital number, since it uses as much as digits as its factorization.

38946461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66270.

The product of its digits is 124416, while the sum is 41.

The square root of 38946461 is about 6240.7099756358. The cubic root of 38946461 is about 338.9658919806.

The spelling of 38946461 in words is "thirty-eight million, nine hundred forty-six thousand, four hundred sixty-one".