40396084 has 6 divisors (see below), whose sum is σ = 70693154. Its totient is φ = 20198040.

The previous prime is 40396079. The next prime is 40396129. The reversal of 40396084 is 48069304.

It can be written as a sum of positive squares in only one way, i.e., 40068900 + 327184 = 6330^2 + 572^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5049507 + ... + 5049514.

Almost surely, 2^40396084 is an apocalyptic number.

It is an amenable number.

40396084 is a deficient number, since it is larger than the sum of its proper divisors (30297070).

40396084 is a wasteful number, since it uses less digits than its factorization.

40396084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10099025 (or 10099023 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40396084 is about 6355.7913748014. The cubic root of 40396084 is about 343.1203073115.

The spelling of 40396084 in words is "forty million, three hundred ninety-six thousand, eighty-four".