9640454 has 4 divisors (see below), whose sum is σ = 14460684. Its totient is φ = 4820226.

The previous prime is 9640447. The next prime is 9640457. The reversal of 9640454 is 4540469.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×9640454² = 185876706652232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9640454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410112 + ... + 2410115.

It is an arithmetic number, because the mean of its divisors is an integer number (3615171).

Almost surely, 2^9640454 is an apocalyptic number.

9640454 is a deficient number, since it is larger than the sum of its proper divisors (4820230).

9640454 is a wasteful number, since it uses less digits than its factorization.

9640454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820229.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 9640454 is about 3104.9080501683. The cubic root of 9640454 is about 212.8298287421.

The spelling of 9640454 in words is "nine million, six hundred forty thousand, four hundred fifty-four".