3691398 has 8 divisors (see below), whose sum is σ = 7382808. Its totient is φ = 1230464.

The previous prime is 3691367. The next prime is 3691403. The reversal of 3691398 is 8931963.

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

3691398 is an admirable number.

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, 307611 + ... + 307622.

It is an arithmetic number, because the mean of its divisors is an integer number (922851).

Almost surely, 2^3691398 is an apocalyptic number.

3691398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3691398 is a wasteful number, since it uses less digits than its factorization.

3691398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615238.

The product of its digits is 34992, while the sum is 39.

The square root of 3691398 is about 1921.3011216361. The cubic root of 3691398 is about 154.5480836084.

The spelling of 3691398 in words is "three million, six hundred ninety-one thousand, three hundred ninety-eight".