9925739 has 8 divisors (see below), whose sum is σ = 10592208. Its totient is φ = 9268480.

The previous prime is 9925717. The next prime is 9925757. The reversal of 9925739 is 9375299.

9925739 is nontrivially palindromic in base 6.

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

It is a cyclic number.

It is not a de Polignac number, because 9925739 - 2²⁰ = 8877163 is a prime.

It is a super-2 number, since 2×9925739² = 197040589392242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9925739.

It is not an unprimeable number, because it can be changed into a prime (9925709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 4455.

It is an arithmetic number, because the mean of its divisors is an integer number (1324026).

Almost surely, 2^9925739 is an apocalyptic number.

9925739 is a deficient number, since it is larger than the sum of its proper divisors (666469).

9925739 is a wasteful number, since it uses less digits than its factorization.

9925739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605.

The product of its digits is 153090, while the sum is 44.

The square root of 9925739 is about 3150.5140850344. The cubic root of 9925739 is about 214.9088418311.

The spelling of 9925739 in words is "nine million, nine hundred twenty-five thousand, seven hundred thirty-nine".