7397849 has 6 divisors (see below), whose sum is σ = 7575786. Its totient is φ = 7224000.

The previous prime is 7397801. The next prime is 7397851. The reversal of 7397849 is 9487937.

It can be written as a sum of positive squares in only one way, i.e., 4439449 + 2958400 = 2107^2 + 1720^2 .

It is not a de Polignac number, because 7397849 - 2¹⁶ = 7332313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7397869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (1262631).

Almost surely, 2^7397849 is an apocalyptic number.

It is an amenable number.

7397849 is a deficient number, since it is larger than the sum of its proper divisors (177937).

7397849 is an equidigital number, since it uses as much as digits as its factorization.

7397849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087 (or 4044 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 7397849 is about 2719.8987113494. The cubic root of 7397849 is about 194.8506329316.

The spelling of 7397849 in words is "seven million, three hundred ninety-seven thousand, eight hundred forty-nine".