7253398 has 8 divisors (see below), whose sum is σ = 10924200. Its totient is φ = 3612000.

The previous prime is 7253387. The next prime is 7253399. The reversal of 7253398 is 8933527.

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

It is a super-2 number, since 2×7253398² = 105223565092808, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7253399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6723 + ... + 7726.

It is an arithmetic number, because the mean of its divisors is an integer number (1365525).

Almost surely, 2^7253398 is an apocalyptic number.

7253398 is a deficient number, since it is larger than the sum of its proper divisors (3670802).

7253398 is a wasteful number, since it uses less digits than its factorization.

7253398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14702.

The product of its digits is 45360, while the sum is 37.

The square root of 7253398 is about 2693.2133224088. The cubic root of 7253398 is about 193.5740646393.

It can be divided in two parts, 7 and 253398, that multiplied together give a triangular number (1773786 = T₁₈₈₃).

The spelling of 7253398 in words is "seven million, two hundred fifty-three thousand, three hundred ninety-eight".