9806402 has 4 divisors (see below), whose sum is σ = 14709606. Its totient is φ = 4903200.

The previous prime is 9806389. The next prime is 9806429. The reversal of 9806402 is 2046089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2046089 = 131 ⋅15619.

It can be written as a sum of positive squares in only one way, i.e., 6046681 + 3759721 = 2459^2 + 1939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2451599 + ... + 2451602.

Almost surely, 2^9806402 is an apocalyptic number.

9806402 is a deficient number, since it is larger than the sum of its proper divisors (4903204).

9806402 is a wasteful number, since it uses less digits than its factorization.

9806402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903203.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 9806402 is about 3131.5175235020. The cubic root of 9806402 is about 214.0440850161.

The spelling of 9806402 in words is "nine million, eight hundred six thousand, four hundred two".