39961196 has 18 divisors (see below), whose sum is σ = 76369692. Its totient is φ = 18145120.

The previous prime is 39961193. The next prime is 39961223. The reversal of 39961196 is 69116993.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (39961193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41456 + ... + 42408.

Almost surely, 2^39961196 is an apocalyptic number.

It is an amenable number.

39961196 is a deficient number, since it is larger than the sum of its proper divisors (36408496).

39961196 is an equidigital number, since it uses as much as digits as its factorization.

39961196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 966 counting only the distinct ones).

The product of its digits is 78732, while the sum is 44.

The square root of 39961196 is about 6321.4868504174. The cubic root of 39961196 is about 341.8845637106.

Multiplying 39961196 by its sum of digits (44), we get a square (1758292624 = 41932²).

39961196 divided by its sum of digits (44) gives a square (908209 = 953²).

The spelling of 39961196 in words is "thirty-nine million, nine hundred sixty-one thousand, one hundred ninety-six".