39746493 has 12 divisors (see below), whose sum is σ = 60788988. Its totient is φ = 24938880.

The previous prime is 39746437. The next prime is 39746503. The reversal of 39746493 is 39464793.

It can be written as a sum of positive squares in 2 ways, for example, as 13089924 + 26656569 = 3618^2 + 5163^2 .

It is not a de Polignac number, because 39746493 - 2¹² = 39742397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39746393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129738 + ... + 130043.

It is an arithmetic number, because the mean of its divisors is an integer number (5065749).

Almost surely, 2^39746493 is an apocalyptic number.

It is an amenable number.

39746493 is a deficient number, since it is larger than the sum of its proper divisors (21042495).

39746493 is a wasteful number, since it uses less digits than its factorization.

39746493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259804 (or 259801 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 39746493 is about 6304.4819771334. The cubic root of 39746493 is about 341.2711728601.

The spelling of 39746493 in words is "thirty-nine million, seven hundred forty-six thousand, four hundred ninety-three".