1402464 has 48 divisors (see below), whose sum is σ = 4209408. Its totient is φ = 400512.

The previous prime is 1402459. The next prime is 1402477. The reversal of 1402464 is 4642041.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (87696).

2^1402464 is an apocalyptic number.

1402464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1402464 is an abundant number, since it is smaller than the sum of its proper divisors (2806944).

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

1402464 is a wasteful number, since it uses less digits than its factorization.

1402464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1402464 is about 1184.2567289233. The cubic root of 1402464 is about 111.9344854942.

The spelling of 1402464 in words is "one million, four hundred two thousand, four hundred sixty-four".