3658742 has 8 divisors (see below), whose sum is σ = 5501496. Its totient is φ = 1824912.

The previous prime is 3658729. The next prime is 3658747. The reversal of 3658742 is 2478563.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3658747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088 + ... + 2915.

It is an arithmetic number, because the mean of its divisors is an integer number (687687).

Almost surely, 2^3658742 is an apocalyptic number.

3658742 is a deficient number, since it is larger than the sum of its proper divisors (1842754).

3658742 is a wasteful number, since it uses less digits than its factorization.

3658742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462.

The product of its digits is 40320, while the sum is 35.

The square root of 3658742 is about 1912.7838351471. The cubic root of 3658742 is about 154.0909958646.

The spelling of 3658742 in words is "three million, six hundred fifty-eight thousand, seven hundred forty-two".