3658426 has 8 divisors (see below), whose sum is σ = 5726304. Its totient is φ = 1749660.

The previous prime is 3658423. The next prime is 3658427. The reversal of 3658426 is 6248563.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 3658391 and 3658400.

It is not an unprimeable number, because it can be changed into a prime (3658423) 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, 39720 + ... + 39811.

It is an arithmetic number, because the mean of its divisors is an integer number (715788).

Almost surely, 2^3658426 is an apocalyptic number.

3658426 is a deficient number, since it is larger than the sum of its proper divisors (2067878).

3658426 is a wasteful number, since it uses less digits than its factorization.

3658426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79556.

The product of its digits is 34560, while the sum is 34.

The square root of 3658426 is about 1912.7012312434. The cubic root of 3658426 is about 154.0865595349.

The spelling of 3658426 in words is "three million, six hundred fifty-eight thousand, four hundred twenty-six".