3916433820 has 96 divisors (see below), whose sum is σ = 12504276288. Its totient is φ = 907333632.

The previous prime is 3916433797. The next prime is 3916433849. The reversal of 3916433820 is 283346193.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134419 + ... + 160938.

It is an arithmetic number, because the mean of its divisors is an integer number (130252878).

Almost surely, 2^3916433820 is an apocalyptic number.

3916433820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3916433820 is an abundant number, since it is smaller than the sum of its proper divisors (8587842468).

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

3916433820 is a wasteful number, since it uses less digits than its factorization.

3916433820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295399 (or 295397 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 3916433820 is about 62581.4175294871. The cubic root of 3916433820 is about 1576.2687443779.

The spelling of 3916433820 in words is "three billion, nine hundred sixteen million, four hundred thirty-three thousand, eight hundred twenty".