9839402 has 4 divisors (see below), whose sum is σ = 14759106. Its totient is φ = 4919700.

The previous prime is 9839353. The next prime is 9839411. The reversal of 9839402 is 2049389.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2049389 = 433 ⋅4733.

It can be written as a sum of positive squares in only one way, i.e., 6195121 + 3644281 = 2489^2 + 1909^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2459849 + ... + 2459852.

Almost surely, 2^9839402 is an apocalyptic number.

9839402 is a deficient number, since it is larger than the sum of its proper divisors (4919704).

9839402 is a wasteful number, since it uses less digits than its factorization.

9839402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919703.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 9839402 is about 3136.7821091048. The cubic root of 9839402 is about 214.2839129161.

The spelling of 9839402 in words is "nine million, eight hundred thirty-nine thousand, four hundred two".