5420387 has 16 divisors (see below), whose sum is σ = 6538752. Its totient is φ = 4392960.

The previous prime is 5420347. The next prime is 5420413. The reversal of 5420387 is 7830245.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5420387 - 2¹² = 5416291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5420347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20963 + ... + 21219.

It is an arithmetic number, because the mean of its divisors is an integer number (408672).

Almost surely, 2^5420387 is an apocalyptic number.

5420387 is a deficient number, since it is larger than the sum of its proper divisors (1118365).

5420387 is a wasteful number, since it uses less digits than its factorization.

5420387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 5420387 is about 2328.1724592478. The cubic root of 5420387 is about 175.6615720243.

The spelling of 5420387 in words is "five million, four hundred twenty thousand, three hundred eighty-seven".