39472093 has 4 divisors (see below), whose sum is σ = 39485628. Its totient is φ = 39458560.

The previous prime is 39472087. The next prime is 39472109. The reversal of 39472093 is 39027493.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39027493 = 71 ⋅549683.

It can be written as a sum of positive squares in 2 ways, for example, as 19598329 + 19873764 = 4427^2 + 4458^2 .

It is a cyclic number.

It is not a de Polignac number, because 39472093 - 2¹³ = 39463901 is a prime.

It is a super-2 number, since 2×39472093² = 3116092251601298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39472033) 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, 388 + ... + 8893.

It is an arithmetic number, because the mean of its divisors is an integer number (9871407).

Almost surely, 2^39472093 is an apocalyptic number.

It is an amenable number.

39472093 is a deficient number, since it is larger than the sum of its proper divisors (13535).

39472093 is an equidigital number, since it uses as much as digits as its factorization.

39472093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 39472093 is about 6282.6819909972. The cubic root of 39472093 is about 340.4840078942.

The spelling of 39472093 in words is "thirty-nine million, four hundred seventy-two thousand, ninety-three".