398162962 has 4 divisors (see below), whose sum is σ = 597244446. Its totient is φ = 199081480.

The previous prime is 398162911. The next prime is 398162969. The reversal of 398162962 is 269261893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 269261893 = 709 ⋅379777.

It can be written as a sum of positive squares in only one way, i.e., 311840281 + 86322681 = 17659^2 + 9291^2 .

It is a super-2 number, since 2×398162962² = 317067488617226888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (398162969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99540739 + ... + 99540742.

Almost surely, 2^398162962 is an apocalyptic number.

398162962 is a deficient number, since it is larger than the sum of its proper divisors (199081484).

398162962 is a wasteful number, since it uses less digits than its factorization.

398162962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199081483.

The product of its digits is 279936, while the sum is 46.

The square root of 398162962 is about 19954.0211987459. The cubic root of 398162962 is about 735.6766175922.

It can be divided in two parts, 39816 and 2962, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 398162962 in words is "three hundred ninety-eight million, one hundred sixty-two thousand, nine hundred sixty-two".