9402985 has 4 divisors (see below), whose sum is σ = 11283588. Its totient is φ = 7522384.

The previous prime is 9402983. The next prime is 9402997. The reversal of 9402985 is 5892049.

9402985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5892049 = 73 ⋅80713.

It can be written as a sum of positive squares in 2 ways, for example, as 6817321 + 2585664 = 2611^2 + 1608^2 .

It is a cyclic number.

It is not a de Polignac number, because 9402985 - 2¹ = 9402983 is a prime.

It is a super-2 number, since 2×9402985² = 176832253820450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9402983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940294 + ... + 940303.

It is an arithmetic number, because the mean of its divisors is an integer number (2820897).

Almost surely, 2^9402985 is an apocalyptic number.

It is an amenable number.

9402985 is a deficient number, since it is larger than the sum of its proper divisors (1880603).

9402985 is a wasteful number, since it uses less digits than its factorization.

9402985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880602.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 9402985 is about 3066.4287045356. The cubic root of 9402985 is about 211.0677664680.

The spelling of 9402985 in words is "nine million, four hundred two thousand, nine hundred eighty-five".