39798423 has 24 divisors (see below), whose sum is σ = 65894400. Its totient is φ = 22674384.

The previous prime is 39798403. The next prime is 39798427. The reversal of 39798423 is 32489793.

It is a happy number.

It is not a de Polignac number, because 39798423 - 2⁹ = 39797911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39798427) 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, 26938 + ... + 28376.

It is an arithmetic number, because the mean of its divisors is an integer number (2745600).

Almost surely, 2^39798423 is an apocalyptic number.

39798423 is a deficient number, since it is larger than the sum of its proper divisors (26095977).

39798423 is a wasteful number, since it uses less digits than its factorization.

39798423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1888 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 39798423 is about 6308.5991313445. The cubic root of 39798423 is about 341.4197352285.

The spelling of 39798423 in words is "thirty-nine million, seven hundred ninety-eight thousand, four hundred twenty-three".