7389901 has 2 divisors, whose sum is σ = 7389902. Its totient is φ = 7389900.

The previous prime is 7389871. The next prime is 7389913. The reversal of 7389901 is 1099837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6245001 + 1144900 = 2499^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 7389901 - 2¹⁹ = 6865613 is a prime.

It is a super-2 number, since 2×7389901² = 109221273579602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7389961) 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 as a sum of consecutive naturals, namely, 3694950 + 3694951.

It is an arithmetic number, because the mean of its divisors is an integer number (3694951).

Almost surely, 2^7389901 is an apocalyptic number.

It is an amenable number.

7389901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7389901 is an equidigital number, since it uses as much as digits as its factorization.

7389901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 7389901 is about 2718.4372348833. The cubic root of 7389901 is about 194.7808276060.

Subtracting from 7389901 its reverse (1099837), we obtain a square (6290064 = 2508²).

The spelling of 7389901 in words is "seven million, three hundred eighty-nine thousand, nine hundred one".