9940619 has 8 divisors (see below), whose sum is σ = 10730832. Its totient is φ = 9154080.

The previous prime is 9940613. The next prime is 9940643. The reversal of 9940619 is 9160499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9940619 - 2⁴ = 9940603 is a prime.

It is a super-2 number, since 2×9940619² = 197631812206322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9940613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7904 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (1341354).

Almost surely, 2^9940619 is an apocalyptic number.

9940619 is a deficient number, since it is larger than the sum of its proper divisors (790213).

9940619 is a wasteful number, since it uses less digits than its factorization.

9940619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 9940619 is about 3152.8747199976. The cubic root of 9940619 is about 215.0161805021.

The spelling of 9940619 in words is "nine million, nine hundred forty thousand, six hundred nineteen".