9997402 has 16 divisors (see below), whose sum is σ = 15681960.
Its totient is φ = 4773888.
The previous prime is 9997397. The next prime is 9997441. The reversal of 9997402 is 2047999.
It can be written as a sum of positive squares in 4 ways, for example, as 8462281 + 1535121 = 2909^2 + 1239^2
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4738 + ... + 6514.
Almost surely, 29997402 is an apocalyptic number.
9997402 is a deficient number, since it is larger than the sum of its proper divisors (5684558).
9997402 is a wasteful number, since it uses less digits than its factorization.
9997402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1905.
The product of its (nonzero) digits is 40824, while the sum is 40.
The square root of 9997402 is about 3161.8668536167.
The cubic root of 9997402 is about 215.4248099828.
The spelling of 9997402 in words is "nine million, nine hundred ninety-seven thousand, four hundred two".