3781430964 has 36 divisors (see below), whose sum is σ = 9866962560. Its totient is φ = 1219816080.

The previous prime is 3781430963. The next prime is 3781430987. The reversal of 3781430964 is 4690341873.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781430963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1693074 + ... + 1695305.

Almost surely, 2^3781430964 is an apocalyptic number.

It is an amenable number.

3781430964 is an abundant number, since it is smaller than the sum of its proper divisors (6085531596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3781430964 is a wasteful number, since it uses less digits than its factorization.

3781430964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388420 (or 3388415 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 3781430964 is about 61493.3408102048. The cubic root of 3781430964 is about 1557.9447738019.

The spelling of 3781430964 in words is "three billion, seven hundred eighty-one million, four hundred thirty thousand, nine hundred sixty-four".