1029898 has 4 divisors (see below), whose sum is σ = 1544850. Its totient is φ = 514948.

The previous prime is 1029883. The next prime is 1029907. The reversal of 1029898 is 8989201.

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

It can be written as a sum of positive squares in only one way, i.e., 859329 + 170569 = 927^2 + 413^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257473 + ... + 257476.

2^1029898 is an apocalyptic number.

1029898 is a deficient number, since it is larger than the sum of its proper divisors (514952).

1029898 is an equidigital number, since it uses as much as digits as its factorization.

1029898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514951.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1029898 is about 1014.8389034719. The cubic root of 1029898 is about 100.9868296391.

It can be divided in two parts, 102 and 9898, that added together give a 4-th power (10000 = 10⁴).

The spelling of 1029898 in words is "one million, twenty-nine thousand, eight hundred ninety-eight".