9970154 has 8 divisors (see below), whose sum is σ = 14976900. Its totient is φ = 4977856.

The previous prime is 9970151. The next prime is 9970159. The reversal of 9970154 is 4510799.

It can be written as a sum of positive squares in 2 ways, for example, as 9954025 + 16129 = 3155^2 + 127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9970151) 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, 1679 + ... + 4770.

Almost surely, 2^9970154 is an apocalyptic number.

9970154 is a deficient number, since it is larger than the sum of its proper divisors (5006746).

9970154 is a wasteful number, since it uses less digits than its factorization.

9970154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7224.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 9970154 is about 3157.5550668199. Note that the first 3 decimals coincide. The cubic root of 9970154 is about 215.2289178858.

The spelling of 9970154 in words is "nine million, nine hundred seventy thousand, one hundred fifty-four".