1401864 has 16 divisors (see below), whose sum is σ = 3504720. Its totient is φ = 467280.

The previous prime is 1401857. The next prime is 1401937. The reversal of 1401864 is 4681041.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 58411 = 1401864 / (1 + 4 + 0 + 1 + 8 + 6 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29182 + ... + 29229.

It is an arithmetic number, because the mean of its divisors is an integer number (219045).

2^1401864 is an apocalyptic number.

It is an amenable number.

1401864 is an abundant number, since it is smaller than the sum of its proper divisors (2102856).

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

1401864 is a wasteful number, since it uses less digits than its factorization.

1401864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58420 (or 58416 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1401864 is about 1184.0033783736. The cubic root of 1401864 is about 111.9185206706.

The spelling of 1401864 in words is "one million, four hundred one thousand, eight hundred sixty-four".