3965461506 has 24 divisors (see below), whose sum is σ = 8616186540. Its totient is φ = 1318073856.

The previous prime is 3965461459. The next prime is 3965461553. The reversal of 3965461506 is 6051645693.

3965461506 is a `hidden beast` number, since 3 + 96 + 54 + 6 + 1 + 506 = 666.

It is an interprime number because it is at equal distance from previous prime (3965461459) and next prime (3965461553).

It can be written as a sum of positive squares in 2 ways, for example, as 3491746281 + 473715225 = 59091^2 + 21765^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305691 + ... + 318398.

Almost surely, 2^3965461506 is an apocalyptic number.

3965461506 is an abundant number, since it is smaller than the sum of its proper divisors (4650725034).

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

3965461506 is a wasteful number, since it uses less digits than its factorization.

3965461506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624450 (or 624447 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 3965461506 is about 62971.9104522008. The cubic root of 3965461506 is about 1582.8189682210.

The spelling of 3965461506 in words is "three billion, nine hundred sixty-five million, four hundred sixty-one thousand, five hundred six".