39094481 has 4 divisors (see below), whose sum is σ = 39187764. Its totient is φ = 39001200.

The previous prime is 39094477. The next prime is 39094487. The reversal of 39094481 is 18449093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18449093 = 13 ⋅1419161.

It can be written as a sum of positive squares in 2 ways, for example, as 654481 + 38440000 = 809^2 + 6200^2 .

It is a cyclic number.

It is not a de Polignac number, because 39094481 - 2² = 39094477 is a prime.

It is a super-2 number, since 2×39094481² = 3056756889318722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39094487) 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, 46010 + ... + 46851.

It is an arithmetic number, because the mean of its divisors is an integer number (9796941).

Almost surely, 2^39094481 is an apocalyptic number.

It is an amenable number.

39094481 is a deficient number, since it is larger than the sum of its proper divisors (93283).

39094481 is an equidigital number, since it uses as much as digits as its factorization.

39094481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93282.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 39094481 is about 6252.5579565487. The cubic root of 39094481 is about 339.3947739248.

The spelling of 39094481 in words is "thirty-nine million, ninety-four thousand, four hundred eighty-one".