3646246 has 4 divisors (see below), whose sum is σ = 5469372. Its totient is φ = 1823122.

The previous prime is 3646231. The next prime is 3646261. The reversal of 3646246 is 6426463.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3646231) and next prime (3646261).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 911560 + ... + 911563.

It is an arithmetic number, because the mean of its divisors is an integer number (1367343).

Almost surely, 2^3646246 is an apocalyptic number.

3646246 is a deficient number, since it is larger than the sum of its proper divisors (1823126).

3646246 is a wasteful number, since it uses less digits than its factorization.

3646246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823125.

The product of its digits is 20736, while the sum is 31.

The square root of 3646246 is about 1909.5145980065. The cubic root of 3646246 is about 153.9153692527.

The spelling of 3646246 in words is "three million, six hundred forty-six thousand, two hundred forty-six".