7423898 has 8 divisors (see below), whose sum is σ = 11147808. Its totient is φ = 3707964.

The previous prime is 7423891. The next prime is 7423903. The reversal of 7423898 is 8983247.

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

It is a super-2 number, since 2×7423898² = 110228523028808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7423891) 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, 1715 + ... + 4217.

It is an arithmetic number, because the mean of its divisors is an integer number (1393476).

Almost surely, 2^7423898 is an apocalyptic number.

7423898 is a deficient number, since it is larger than the sum of its proper divisors (3723910).

7423898 is a wasteful number, since it uses less digits than its factorization.

7423898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988.

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

The square root of 7423898 is about 2724.6831008394. The cubic root of 7423898 is about 195.0790650231.

The spelling of 7423898 in words is "seven million, four hundred twenty-three thousand, eight hundred ninety-eight".