3896404920 has 48 divisors (see below), whose sum is σ = 12663317160. Its totient is φ = 1039041216.

The previous prime is 3896404891. The next prime is 3896404927. The reversal of 3896404920 is 294046983.

3896404920 is a `hidden beast` number, since 38 + 96 + 40 + 492 + 0 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3896404927) 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, 5411314 + ... + 5412033.

Almost surely, 2^3896404920 is an apocalyptic number.

3896404920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3896404920 is an abundant number, since it is smaller than the sum of its proper divisors (8766912240).

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

3896404920 is a wasteful number, since it uses less digits than its factorization.

3896404920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823364 (or 10823357 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 3896404920 is about 62421.1896714569. The cubic root of 3896404920 is about 1573.5771034157.

The spelling of 3896404920 in words is "three billion, eight hundred ninety-six million, four hundred four thousand, nine hundred twenty".