898461431 has 4 divisors (see below), whose sum is σ = 1026813072. Its totient is φ = 770109792.

The previous prime is 898461427. The next prime is 898461439. The reversal of 898461431 is 134164898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 898461431 - 2² = 898461427 is a prime.

It is a super-2 number, since 2×898461431² = 1614465885989135522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898461439) 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, 64175810 + ... + 64175823.

It is an arithmetic number, because the mean of its divisors is an integer number (256703268).

Almost surely, 2^898461431 is an apocalyptic number.

898461431 is a deficient number, since it is larger than the sum of its proper divisors (128351641).

898461431 is a wasteful number, since it uses less digits than its factorization.

898461431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128351640.

The product of its digits is 165888, while the sum is 44.

The square root of 898461431 is about 29974.3462147217. The cubic root of 898461431 is about 964.9388959672.

The spelling of 898461431 in words is "eight hundred ninety-eight million, four hundred sixty-one thousand, four hundred thirty-one".