898140424 has 32 divisors (see below), whose sum is σ = 1727560800. Its totient is φ = 437489280.

The previous prime is 898140407. The next prime is 898140433. The reversal of 898140424 is 424041898.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295987 + ... + 299005.

It is an arithmetic number, because the mean of its divisors is an integer number (53986275).

Almost surely, 2^898140424 is an apocalyptic number.

It is an amenable number.

898140424 is a deficient number, since it is larger than the sum of its proper divisors (829420376).

898140424 is a wasteful number, since it uses less digits than its factorization.

898140424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973 (or 3969 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 898140424 is about 29968.9910407408. The cubic root of 898140424 is about 964.8239628060.

The spelling of 898140424 in words is "eight hundred ninety-eight million, one hundred forty thousand, four hundred twenty-four".