39084381 has 24 divisors (see below), whose sum is σ = 65345280. Its totient is φ = 22048416.

The previous prime is 39084371. The next prime is 39084389. The reversal of 39084381 is 18348093.

It is not a de Polignac number, because 39084381 - 2⁶ = 39084317 is a prime.

It is a super-2 number, since 2×39084381² = 3055177676306322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39084389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1051 + ... + 8903.

It is an arithmetic number, because the mean of its divisors is an integer number (2722720).

Almost surely, 2^39084381 is an apocalyptic number.

It is an amenable number.

39084381 is a deficient number, since it is larger than the sum of its proper divisors (26260899).

39084381 is a wasteful number, since it uses less digits than its factorization.

39084381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945 (or 7942 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 39084381 is about 6251.7502349342. The cubic root of 39084381 is about 339.3655440321.

The spelling of 39084381 in words is "thirty-nine million, eighty-four thousand, three hundred eighty-one".