5421402 has 48 divisors (see below), whose sum is σ = 14219712. Its totient is φ = 1457280.

The previous prime is 5421371. The next prime is 5421407. The reversal of 5421402 is 2041245.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5421407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 877 + ... + 3407.

It is an arithmetic number, because the mean of its divisors is an integer number (296244).

Almost surely, 2^5421402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7109856).

5421402 is an abundant number, since it is smaller than the sum of its proper divisors (8798310).

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

5421402 is a wasteful number, since it uses less digits than its factorization.

5421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5421402 is about 2328.3904311777. The cubic root of 5421402 is about 175.6725359012.

Adding to 5421402 its reverse (2041245), we get a palindrome (7462647).

The spelling of 5421402 in words is "five million, four hundred twenty-one thousand, four hundred two".