5481428 has 12 divisors (see below), whose sum is σ = 9612372. Its totient is φ = 2735040.

The previous prime is 5481409. The next prime is 5481431. The reversal of 5481428 is 8241845.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1592644 + 3888784 = 1262^2 + 1972^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5481394 and 5481403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 3578.

It is an arithmetic number, because the mean of its divisors is an integer number (801031).

Almost surely, 2^5481428 is an apocalyptic number.

It is an amenable number.

5481428 is a deficient number, since it is larger than the sum of its proper divisors (4130944).

5481428 is a wasteful number, since it uses less digits than its factorization.

5481428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2840 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 5481428 is about 2341.2449679604. The cubic root of 5481428 is about 176.3185089871.

The spelling of 5481428 in words is "five million, four hundred eighty-one thousand, four hundred twenty-eight".