3690420436 has 6 divisors (see below), whose sum is σ = 6458235770. Its totient is φ = 1845210216.

The previous prime is 3690420427. The next prime is 3690420473. The reversal of 3690420436 is 6340240963.

It can be written as a sum of positive squares in only one way, i.e., 3442168900 + 248251536 = 58670^2 + 15756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3690420395 and 3690420404.

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, 461302551 + ... + 461302558.

Almost surely, 2^3690420436 is an apocalyptic number.

It is an amenable number.

3690420436 is a deficient number, since it is larger than the sum of its proper divisors (2767815334).

3690420436 is a wasteful number, since it uses less digits than its factorization.

3690420436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922605113 (or 922605111 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 3690420436 is about 60748.8307377187. The cubic root of 3690420436 is about 1545.3443981806.

The spelling of 3690420436 in words is "three billion, six hundred ninety million, four hundred twenty thousand, four hundred thirty-six".