7900249 has 8 divisors (see below), whose sum is σ = 9249408. Its totient is φ = 6606240.

The previous prime is 7900231. The next prime is 7900253. The reversal of 7900249 is 9420097.

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 7900249 - 2¹³ = 7892057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7900249.

It is not an unprimeable number, because it can be changed into a prime (7900229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13477 + ... + 14050.

It is an arithmetic number, because the mean of its divisors is an integer number (1156176).

Almost surely, 2^7900249 is an apocalyptic number.

It is an amenable number.

7900249 is a deficient number, since it is larger than the sum of its proper divisors (1349159).

7900249 is a wasteful number, since it uses less digits than its factorization.

7900249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27575.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 7900249 is about 2810.7381592742. The cubic root of 7900249 is about 199.1652625808.

The spelling of 7900249 in words is "seven million, nine hundred thousand, two hundred forty-nine".