361406998 has 4 divisors (see below), whose sum is σ = 542110500. Its totient is φ = 180703498.

The previous prime is 361406993. The next prime is 361407001. The reversal of 361406998 is 899604163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 899604163 = 103 ⋅8734021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361406993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90351748 + ... + 90351751.

It is an arithmetic number, because the mean of its divisors is an integer number (135527625).

Almost surely, 2^361406998 is an apocalyptic number.

361406998 is a deficient number, since it is larger than the sum of its proper divisors (180703502).

361406998 is a wasteful number, since it uses less digits than its factorization.

361406998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180703501.

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

The square root of 361406998 is about 19010.7074565888. The cubic root of 361406998 is about 712.3042231367.

It can be divided in two parts, 361406 and 998, that added together give a square (362404 = 602²).

The spelling of 361406998 in words is "three hundred sixty-one million, four hundred six thousand, nine hundred ninety-eight".