3690401690 has 16 divisors (see below), whose sum is σ = 6657078528. Its totient is φ = 1472970576.

The previous prime is 3690401669. The next prime is 3690401707. The reversal of 3690401690 is 961040963.

It is a super-2 number, since 2×3690401690² = 27238129267109712200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393902 + ... + 403161.

It is an arithmetic number, because the mean of its divisors is an integer number (416067408).

Almost surely, 2^3690401690 is an apocalyptic number.

3690401690 is a deficient number, since it is larger than the sum of its proper divisors (2966676838).

3690401690 is a wasteful number, since it uses less digits than its factorization.

3690401690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797533.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3690401690 is about 60748.6764464873. The cubic root of 3690401690 is about 1545.3417815795.

The spelling of 3690401690 in words is "three billion, six hundred ninety million, four hundred one thousand, six hundred ninety".