39896651 has 12 divisors (see below), whose sum is σ = 42523488. Its totient is φ = 37415664.

The previous prime is 39896641. The next prime is 39896657. The reversal of 39896651 is 15669893.

It is a de Polignac number, because none of the positive numbers 2^k-39896651 is a prime.

It is a super-2 number, since 2×39896651² = 3183485522031602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39896596 and 39896605.

It is not an unprimeable number, because it can be changed into a prime (39896657) 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 11 ways as a sum of consecutive naturals, for example, 27326 + ... + 28748.

It is an arithmetic number, because the mean of its divisors is an integer number (3543624).

Almost surely, 2^39896651 is an apocalyptic number.

39896651 is a deficient number, since it is larger than the sum of its proper divisors (2626837).

39896651 is a wasteful number, since it uses less digits than its factorization.

39896651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1499 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 39896651 is about 6316.3795801076. The cubic root of 39896651 is about 341.7003947932.

The spelling of 39896651 in words is "thirty-nine million, eight hundred ninety-six thousand, six hundred fifty-one".