998925379 has 2 divisors, whose sum is σ = 998925380. Its totient is φ = 998925378.

The previous prime is 998925359. The next prime is 998925391. The reversal of 998925379 is 973529899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 998925379 - 2¹³ = 998917187 is a prime.

It is not a weakly prime, because it can be changed into another prime (998925349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499462689 + 499462690.

It is an arithmetic number, because the mean of its divisors is an integer number (499462690).

Almost surely, 2^998925379 is an apocalyptic number.

998925379 is a deficient number, since it is larger than the sum of its proper divisors (1).

998925379 is an equidigital number, since it uses as much as digits as its factorization.

998925379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11022480, while the sum is 61.

The square root of 998925379 is about 31605.7807845337. The cubic root of 998925379 is about 999.6416646111.

The spelling of 998925379 in words is "nine hundred ninety-eight million, nine hundred twenty-five thousand, three hundred seventy-nine".