1402621 has 8 divisors (see below), whose sum is σ = 1563264. Its totient is φ = 1247520.

The previous prime is 1402603. The next prime is 1402673. The reversal of 1402621 is 1262041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402621 - 2⁵ = 1402589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402595 and 1402604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (195408).

2^1402621 is an apocalyptic number.

1402621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1402621 is a deficient number, since it is larger than the sum of its proper divisors (160643).

1402621 is a wasteful number, since it uses less digits than its factorization.

1402621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1402621 is about 1184.3230133709. The cubic root of 1402621 is about 111.9386622048.

Adding to 1402621 its reverse (1262041), we get a palindrome (2664662).

The spelling of 1402621 in words is "one million, four hundred two thousand, six hundred twenty-one".