3690401656 has 8 divisors (see below), whose sum is σ = 6919503120. Its totient is φ = 1845200824.

The previous prime is 3690401623. The next prime is 3690401657. The reversal of 3690401656 is 6561040963.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690401657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230650096 + ... + 230650111.

It is an arithmetic number, because the mean of its divisors is an integer number (864937890).

Almost surely, 2^3690401656 is an apocalyptic number.

It is an amenable number.

3690401656 is a deficient number, since it is larger than the sum of its proper divisors (3229101464).

3690401656 is a wasteful number, since it uses less digits than its factorization.

3690401656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461300213 (or 461300209 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 3690401656 is about 60748.6761666458. The cubic root of 3690401656 is about 1545.3417768337.

The spelling of 3690401656 in words is "three billion, six hundred ninety million, four hundred one thousand, six hundred fifty-six".