4051420 has 24 divisors (see below), whose sum is σ = 8565984. Its totient is φ = 1609536.

The previous prime is 4051403. The next prime is 4051429. The reversal of 4051420 is 241504.

It is a junction number, because it is equal to n+sod(n) for n = 4051394 and 4051403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051429) 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, 2734 + ... + 3946.

It is an arithmetic number, because the mean of its divisors is an integer number (356916).

Almost surely, 2^4051420 is an apocalyptic number.

It is an amenable number.

4051420 is an abundant number, since it is smaller than the sum of its proper divisors (4514564).

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

4051420 is a wasteful number, since it uses less digits than its factorization.

4051420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4051420 is about 2012.8139506671. The cubic root of 4051420 is about 159.4174125236.

Adding to 4051420 its reverse (241504), we get a palindrome (4292924).

The spelling of 4051420 in words is "four million, fifty-one thousand, four hundred twenty".