9940994 has 32 divisors (see below), whose sum is σ = 17646336. Its totient is φ = 4112640.

The previous prime is 9940963. The next prime is 9941003. The reversal of 9940994 is 4990499.

9940994 = 678² + 679² + ... + 698².

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72494 + ... + 72630.

It is an arithmetic number, because the mean of its divisors is an integer number (551448).

Almost surely, 2^9940994 is an apocalyptic number.

9940994 is a deficient number, since it is larger than the sum of its proper divisors (7705342).

9940994 is a wasteful number, since it uses less digits than its factorization.

9940994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 9940994 is about 3152.9341889738. The cubic root of 9940994 is about 215.0188842255.

The spelling of 9940994 in words is "nine million, nine hundred forty thousand, nine hundred ninety-four".