3894399900 has 54 divisors (see below), whose sum is σ = 12206782952. Its totient is φ = 1038506400.

The previous prime is 3894399871. The next prime is 3894399907. The reversal of 3894399900 is 99934983.

It is a super-2 number, since 2×3894399900² = 30332701162240020000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894399907) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2162656 + ... + 2164455.

Almost surely, 2^3894399900 is an apocalyptic number.

3894399900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3894399900 is an abundant number, since it is smaller than the sum of its proper divisors (8312383052).

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

3894399900 is a wasteful number, since it uses less digits than its factorization.

3894399900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327131 (or 4327121 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The square root of 3894399900 is about 62405.1271932042. The cubic root of 3894399900 is about 1573.3071455989.

The spelling of 3894399900 in words is "three billion, eight hundred ninety-four million, three hundred ninety-nine thousand, nine hundred".