7249989 has 8 divisors (see below), whose sum is σ = 9902592. Its totient is φ = 4715360.

The previous prime is 7249981. The next prime is 7249997. The reversal of 7249989 is 9899427.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7249981) and next prime (7249997).

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 7249989 - 2³ = 7249981 is a prime.

7249989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249981) 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, 29349 + ... + 29594.

It is an arithmetic number, because the mean of its divisors is an integer number (1237824).

Almost surely, 2^7249989 is an apocalyptic number.

It is an amenable number.

7249989 is a deficient number, since it is larger than the sum of its proper divisors (2652603).

7249989 is a wasteful number, since it uses less digits than its factorization.

7249989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58987.

The product of its digits is 326592, while the sum is 48.

The square root of 7249989 is about 2692.5803609178. The cubic root of 7249989 is about 193.5437341471.

The spelling of 7249989 in words is "seven million, two hundred forty-nine thousand, nine hundred eighty-nine".