9920253 has 8 divisors (see below), whose sum is σ = 15116608. Its totient is φ = 5668704.

The previous prime is 9920249. The next prime is 9920257. The reversal of 9920253 is 3520299.

It is an interprime number because it is at equal distance from previous prime (9920249) and next prime (9920257).

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

It is not a de Polignac number, because 9920253 - 2² = 9920249 is a prime.

It is a super-2 number, since 2×9920253² = 196822839168018, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

9920253 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9920253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236176 + ... + 236217.

It is an arithmetic number, because the mean of its divisors is an integer number (1889576).

Almost surely, 2^9920253 is an apocalyptic number.

It is an amenable number.

9920253 is a deficient number, since it is larger than the sum of its proper divisors (5196355).

9920253 is a wasteful number, since it uses less digits than its factorization.

9920253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472403.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 9920253 is about 3149.6433131388. The cubic root of 9920253 is about 214.8692408441.

The spelling of 9920253 in words is "nine million, nine hundred twenty thousand, two hundred fifty-three".