411747820 has 96 divisors (see below), whose sum is σ = 1010802240. Its totient is φ = 139223040.

The previous prime is 411747761. The next prime is 411747839. The reversal of 411747820 is 28747114.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 332242 + ... + 333478.

It is an arithmetic number, because the mean of its divisors is an integer number (10529190).

Almost surely, 2^411747820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 411747820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505401120).

411747820 is an abundant number, since it is smaller than the sum of its proper divisors (599054420).

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

411747820 is a wasteful number, since it uses less digits than its factorization.

411747820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 411747820 is about 20291.5701708862. The cubic root of 411747820 is about 743.9500366301.

The spelling of 411747820 in words is "four hundred eleven million, seven hundred forty-seven thousand, eight hundred twenty".