3690469421 has 16 divisors (see below), whose sum is σ = 3775560768. Its totient is φ = 3606556800.

The previous prime is 3690469397. The next prime is 3690469451. The reversal of 3690469421 is 1249640963.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3690469421 - 2⁶ = 3690469357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690469451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5582831 + ... + 5583491.

It is an arithmetic number, because the mean of its divisors is an integer number (235972548).

Almost surely, 2^3690469421 is an apocalyptic number.

It is an amenable number.

3690469421 is a deficient number, since it is larger than the sum of its proper divisors (85091347).

3690469421 is a wasteful number, since it uses less digits than its factorization.

3690469421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 3690469421 is about 60749.2339128651. The cubic root of 3690469421 is about 1545.3512355552.

The spelling of 3690469421 in words is "three billion, six hundred ninety million, four hundred sixty-nine thousand, four hundred twenty-one".