3651401 has 8 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 3192912.

The previous prime is 3651341. The next prime is 3651407. The reversal of 3651401 is 1041563.

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

It is a de Polignac number, because none of the positive numbers 2^k-3651401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3651407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7145 + ... + 7638.

It is an arithmetic number, because the mean of its divisors is an integer number (517440).

Almost surely, 2^3651401 is an apocalyptic number.

It is an amenable number.

3651401 is a deficient number, since it is larger than the sum of its proper divisors (488119).

3651401 is a wasteful number, since it uses less digits than its factorization.

3651401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14815.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3651401 is about 1910.8639407347. The cubic root of 3651401 is about 153.9878693992.

Adding to 3651401 its reverse (1041563), we get a palindrome (4692964).

The spelling of 3651401 in words is "three million, six hundred fifty-one thousand, four hundred one".