9459945 has 48 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 4421760.

The previous prime is 9459943. The next prime is 9459949. The reversal of 9459945 is 5499549.

It is not a de Polignac number, because 9459945 - 2¹ = 9459943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

9459945 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9459945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9459943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14026 + ... + 14684.

It is an arithmetic number, because the mean of its divisors is an integer number (386100).

Almost surely, 2^9459945 is an apocalyptic number.

It is an amenable number.

9459945 is a deficient number, since it is larger than the sum of its proper divisors (9072855).

9459945 is a wasteful number, since it uses less digits than its factorization.

9459945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 707 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 9459945 is about 3075.7023588117. The cubic root of 9459945 is about 211.4931003902.

It can be divided in two parts, 9459 and 945, that added together give a square (10404 = 102²).

The spelling of 9459945 in words is "nine million, four hundred fifty-nine thousand, nine hundred forty-five".