39661074 has 12 divisors (see below), whose sum is σ = 85932366. Its totient is φ = 13220352.

The previous prime is 39661073. The next prime is 39661087. The reversal of 39661074 is 47016693.

39661074 is a `hidden beast` number, since 39 + 6 + 610 + 7 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38526849 + 1134225 = 6207^2 + 1065^2 .

It is not an unprimeable number, because it can be changed into a prime (39661073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1101679 + ... + 1101714.

Almost surely, 2^39661074 is an apocalyptic number.

39661074 is an abundant number, since it is smaller than the sum of its proper divisors (46271292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39661074 is a wasteful number, since it uses less digits than its factorization.

39661074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203401 (or 2203398 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 39661074 is about 6297.7038672837. The cubic root of 39661074 is about 341.0265227634.

The spelling of 39661074 in words is "thirty-nine million, six hundred sixty-one thousand, seventy-four".