1401820086 has 32 divisors (see below), whose sum is σ = 2827173888. Its totient is φ = 463367520.

The previous prime is 1401820033. The next prime is 1401820087. The reversal of 1401820086 is 6800281041.

1401820086 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401820087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389451 + ... + 393033.

It is an arithmetic number, because the mean of its divisors is an integer number (88349184).

Almost surely, 2^1401820086 is an apocalyptic number.

1401820086 is an abundant number, since it is smaller than the sum of its proper divisors (1425353802).

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

1401820086 is a wasteful number, since it uses less digits than its factorization.

1401820086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1401820086 is about 37440.8878901129. The cubic root of 1401820086 is about 1119.1735202629.

The spelling of 1401820086 in words is "one billion, four hundred one million, eight hundred twenty thousand, eighty-six".