1652420 has 96 divisors (see below), whose sum is σ = 4596480. Its totient is φ = 483840.

The previous prime is 1652419. The next prime is 1652459. The reversal of 1652420 is 242561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1652392 and 1652401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44642 + ... + 44678.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2^1652420 is an apocalyptic number.

1652420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1652420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298240).

1652420 is an abundant number, since it is smaller than the sum of its proper divisors (2944060).

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

1652420 is a wasteful number, since it uses less digits than its factorization.

1652420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1652420 is about 1285.4648964480. The cubic root of 1652420 is about 118.2243171520.

1652420 divided by its sum of digits (20) gives a triangular number (82621 = T₄₀₆).

Adding to 1652420 its reverse (242561), we get a palindrome (1894981).

The spelling of 1652420 in words is "one million, six hundred fifty-two thousand, four hundred twenty".