39454 has 4 divisors (see below), whose sum is σ = 59184. Its totient is φ = 19726.

The previous prime is 39451. The next prime is 39461. The reversal of 39454 is 45493.

39454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9862 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (14796).

2³⁹⁴⁵⁴ is an apocalyptic number.

39454 is a deficient number, since it is larger than the sum of its proper divisors (19730).

39454 is a wasteful number, since it uses less digits than its factorization.

39454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19729.

The product of its digits is 2160, while the sum is 25.

The square root of 39454 is about 198.6303098724. The cubic root of 39454 is about 34.0431976884.

Adding to 39454 its product of digits (2160), we get a palindrome (41614).

The spelling of 39454 in words is "thirty-nine thousand, four hundred fifty-four".