9749213 has 4 divisors (see below), whose sum is σ = 9800448. Its totient is φ = 9697980.

The previous prime is 9749197. The next prime is 9749231. The reversal of 9749213 is 3129479.

9749213 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3129479 = 17 ⋅184087.

It is a cyclic number.

It is not a de Polignac number, because 9749213 - 2⁴ = 9749197 is a prime.

It is a d-powerful number, because it can be written as 9² + 7⁶ + 4⁸ + 9⁷ + 2³ + 1 + 3¹⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9749273) 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, 25331 + ... + 25712.

It is an arithmetic number, because the mean of its divisors is an integer number (2450112).

Almost surely, 2^9749213 is an apocalyptic number.

It is an amenable number.

9749213 is a deficient number, since it is larger than the sum of its proper divisors (51235).

9749213 is a wasteful number, since it uses less digits than its factorization.

9749213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51234.

The product of its digits is 13608, while the sum is 35.

The square root of 9749213 is about 3122.3729757990. The cubic root of 9749213 is about 213.6271859262.

The spelling of 9749213 in words is "nine million, seven hundred forty-nine thousand, two hundred thirteen".