3705998 has 8 divisors (see below), whose sum is σ = 5688408. Its totient is φ = 1809864.

The previous prime is 3705959. The next prime is 3706009. The reversal of 3705998 is 8995073.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21461 + ... + 21632.

It is an arithmetic number, because the mean of its divisors is an integer number (711051).

Almost surely, 2^3705998 is an apocalyptic number.

3705998 is a deficient number, since it is larger than the sum of its proper divisors (1982410).

3705998 is a wasteful number, since it uses less digits than its factorization.

3705998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43138.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 3705998 is about 1925.0968806790. The cubic root of 3705998 is about 154.7515687328.

The spelling of 3705998 in words is "three million, seven hundred five thousand, nine hundred ninety-eight".