998767425 has 48 divisors (see below), whose sum is σ = 1765012032. Its totient is φ = 496588800.

The previous prime is 998767423. The next prime is 998767463. The reversal of 998767425 is 524767899.

It is not a de Polignac number, because 998767425 - 2¹ = 998767423 is a prime.

It is a super-2 number, since 2×998767425² = 1995072738482261250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (998767423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132765 + ... + 140085.

It is an arithmetic number, because the mean of its divisors is an integer number (36771084).

Almost surely, 2^998767425 is an apocalyptic number.

It is an amenable number.

998767425 is a deficient number, since it is larger than the sum of its proper divisors (766244607).

998767425 is a wasteful number, since it uses less digits than its factorization.

998767425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458 (or 7453 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The square root of 998767425 is about 31603.2818707172. The cubic root of 998767425 is about 999.5889727464.

The spelling of 998767425 in words is "nine hundred ninety-eight million, seven hundred sixty-seven thousand, four hundred twenty-five".