898070749 has 2 divisors, whose sum is σ = 898070750. Its totient is φ = 898070748.

The previous prime is 898070741. The next prime is 898070809. The reversal of 898070749 is 947070898.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651015225 + 247055524 = 25515^2 + 15718^2 .

It is a cyclic number.

It is not a de Polignac number, because 898070749 - 2³ = 898070741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 898070696 and 898070705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898070741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449035374 + 449035375.

It is an arithmetic number, because the mean of its divisors is an integer number (449035375).

Almost surely, 2^898070749 is an apocalyptic number.

It is an amenable number.

898070749 is a deficient number, since it is larger than the sum of its proper divisors (1).

898070749 is an equidigital number, since it uses as much as digits as its factorization.

898070749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 898070749 is about 29967.8285666479. The cubic root of 898070749 is about 964.7990127922.

The spelling of 898070749 in words is "eight hundred ninety-eight million, seventy thousand, seven hundred forty-nine".