9402489 has 24 divisors (see below), whose sum is σ = 14126112. Its totient is φ = 6022080.

The previous prime is 9402461. The next prime is 9402493. The reversal of 9402489 is 9842049.

It is a happy number.

It is not a de Polignac number, because 9402489 - 2⁵ = 9402457 is a prime.

9402489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9402439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30474 + ... + 30780.

It is an arithmetic number, because the mean of its divisors is an integer number (588588).

Almost surely, 2^9402489 is an apocalyptic number.

It is an amenable number.

9402489 is a deficient number, since it is larger than the sum of its proper divisors (4723623).

9402489 is a wasteful number, since it uses less digits than its factorization.

9402489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9402489 is about 3066.3478276282. The cubic root of 9402489 is about 211.0640551837.

The spelling of 9402489 in words is "nine million, four hundred two thousand, four hundred eighty-nine".