3612998 has 4 divisors (see below), whose sum is σ = 5419500. Its totient is φ = 1806498.

The previous prime is 3612991. The next prime is 3613003. The reversal of 3612998 is 8992163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8992163 = 829 ⋅10847.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3612991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 903248 + ... + 903251.

It is an arithmetic number, because the mean of its divisors is an integer number (1354875).

Almost surely, 2^3612998 is an apocalyptic number.

3612998 is a deficient number, since it is larger than the sum of its proper divisors (1806502).

3612998 is a wasteful number, since it uses less digits than its factorization.

3612998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806501.

The product of its digits is 23328, while the sum is 38.

The square root of 3612998 is about 1900.7887836369. The cubic root of 3612998 is about 153.4461184483.

The spelling of 3612998 in words is "three million, six hundred twelve thousand, nine hundred ninety-eight".