7249838 has 4 divisors (see below), whose sum is σ = 10874760. Its totient is φ = 3624918.

The previous prime is 7249831. The next prime is 7249841. The reversal of 7249838 is 8389427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8389427 = 1019 ⋅8233.

It is a junction number, because it is equal to n+sod(n) for n = 7249795 and 7249804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812458 + ... + 1812461.

It is an arithmetic number, because the mean of its divisors is an integer number (2718690).

Almost surely, 2^7249838 is an apocalyptic number.

7249838 is a deficient number, since it is larger than the sum of its proper divisors (3624922).

7249838 is a wasteful number, since it uses less digits than its factorization.

7249838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624921.

The product of its digits is 96768, while the sum is 41.

The square root of 7249838 is about 2692.5523207544. The cubic root of 7249838 is about 193.5423904528.

The spelling of 7249838 in words is "seven million, two hundred forty-nine thousand, eight hundred thirty-eight".