36400898 has 4 divisors (see below), whose sum is σ = 54601350. Its totient is φ = 18200448.

The previous prime is 36400883. The next prime is 36400901. The reversal of 36400898 is 89800463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89800463 = 491 ⋅182893.

It can be written as a sum of positive squares in only one way, i.e., 20584369 + 15816529 = 4537^2 + 3977^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9100223 + ... + 9100226.

Almost surely, 2^36400898 is an apocalyptic number.

36400898 is a deficient number, since it is larger than the sum of its proper divisors (18200452).

36400898 is a wasteful number, since it uses less digits than its factorization.

36400898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18200451.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 36400898 is about 6033.3156721657. The cubic root of 36400898 is about 331.4138845871.

The spelling of 36400898 in words is "thirty-six million, four hundred thousand, eight hundred ninety-eight".