39638054 has 4 divisors (see below), whose sum is σ = 59457084. Its totient is φ = 19819026.

The previous prime is 39638003. The next prime is 39638069. The reversal of 39638054 is 45083693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45083693 = 521 ⋅86533.

It is a junction number, because it is equal to n+sod(n) for n = 39637999 and 39638017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9909512 + ... + 9909515.

It is an arithmetic number, because the mean of its divisors is an integer number (14864271).

Almost surely, 2^39638054 is an apocalyptic number.

39638054 is a deficient number, since it is larger than the sum of its proper divisors (19819030).

39638054 is a wasteful number, since it uses less digits than its factorization.

39638054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19819029.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 39638054 is about 6295.8759517640. The cubic root of 39638054 is about 340.9605306869.

The spelling of 39638054 in words is "thirty-nine million, six hundred thirty-eight thousand, fifty-four".