1402864 has 10 divisors (see below), whose sum is σ = 2718080. Its totient is φ = 701424.

The previous prime is 1402859. The next prime is 1402871. The reversal of 1402864 is 4682041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43824 + ... + 43855.

It is an arithmetic number, because the mean of its divisors is an integer number (271808).

2^1402864 is an apocalyptic number.

It is an amenable number.

1402864 is a deficient number, since it is larger than the sum of its proper divisors (1315216).

1402864 is an equidigital number, since it uses as much as digits as its factorization.

1402864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87687 (or 87681 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1402864 is about 1184.4255991830. The cubic root of 1402864 is about 111.9451261805.

It can be divided in two parts, 140 and 2864, that multiplied together give a triangular number (400960 = T₈₉₅).

The spelling of 1402864 in words is "one million, four hundred two thousand, eight hundred sixty-four".