998765410 has 16 divisors (see below), whose sum is σ = 1798147512. Its totient is φ = 399424000.

The previous prime is 998765407. The next prime is 998765431. The reversal of 998765410 is 14567899.

It can be written as a sum of positive squares in 4 ways, for example, as 530519089 + 468246321 = 23033^2 + 21639^2 .

It is a nialpdrome in base 10.

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, 72690 + ... + 85330.

Almost surely, 2^998765410 is an apocalyptic number.

998765410 is the 15802-nd decagonal number.

998765410 is a deficient number, since it is larger than the sum of its proper divisors (799382102).

998765410 is a wasteful number, since it uses less digits than its factorization.

998765410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20549.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 998765410 is about 31603.2499911006. The cubic root of 998765410 is about 999.5883005268.

The spelling of 998765410 in words is "nine hundred ninety-eight million, seven hundred sixty-five thousand, four hundred ten".