398896516 has 6 divisors (see below), whose sum is σ = 698068910. Its totient is φ = 199448256.

The previous prime is 398896489. The next prime is 398896523. The reversal of 398896516 is 615698893.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 334158400 + 64738116 = 18280^2 + 8046^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49862061 + ... + 49862068.

Almost surely, 2^398896516 is an apocalyptic number.

It is an amenable number.

398896516 is a deficient number, since it is larger than the sum of its proper divisors (299172394).

398896516 is a wasteful number, since it uses less digits than its factorization.

398896516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99724133 (or 99724131 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The square root of 398896516 is about 19972.3938475086. The cubic root of 398896516 is about 736.1281307524.

The spelling of 398896516 in words is "three hundred ninety-eight million, eight hundred ninety-six thousand, five hundred sixteen".