3646938 has 8 divisors (see below), whose sum is σ = 7293888. Its totient is φ = 1215644.

The previous prime is 3646931. The next prime is 3646957. The reversal of 3646938 is 8396463.

3646938 = T₄₃₂ + T₄₃₃ + ... + T₄₆₇.

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

3646938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3646896 and 3646905.

It is not an unprimeable number, because it can be changed into a prime (3646931) 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, 303906 + ... + 303917.

It is an arithmetic number, because the mean of its divisors is an integer number (911736).

Almost surely, 2^3646938 is an apocalyptic number.

3646938 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.

3646938 is a wasteful number, since it uses less digits than its factorization.

3646938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607828.

The product of its digits is 93312, while the sum is 39.

The square root of 3646938 is about 1909.6957872918. The cubic root of 3646938 is about 153.9251055403.

The spelling of 3646938 in words is "three million, six hundred forty-six thousand, nine hundred thirty-eight".