39498493 has 4 divisors (see below), whose sum is σ = 40860540. Its totient is φ = 38136448.

The previous prime is 39498491. The next prime is 39498509. The reversal of 39498493 is 39489493.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21883684 + 17614809 = 4678^2 + 4197^2 .

It is a cyclic number.

It is not a de Polignac number, because 39498493 - 2¹ = 39498491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39498491) 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, 680980 + ... + 681037.

It is an arithmetic number, because the mean of its divisors is an integer number (10215135).

Almost surely, 2^39498493 is an apocalyptic number.

It is an amenable number.

39498493 is a deficient number, since it is larger than the sum of its proper divisors (1362047).

39498493 is a wasteful number, since it uses less digits than its factorization.

39498493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362046.

The product of its digits is 839808, while the sum is 49.

The square root of 39498493 is about 6284.7826533620. The cubic root of 39498493 is about 340.5598992720.

The spelling of 39498493 in words is "thirty-nine million, four hundred ninety-eight thousand, four hundred ninety-three".