5401864 has 16 divisors (see below), whose sum is σ = 10907820. Its totient is φ = 2493120.

The previous prime is 5401861. The next prime is 5401867. The reversal of 5401864 is 4681045.

It is an interprime number because it is at equal distance from previous prime (5401861) and next prime (5401867).

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 1232100 = 2042^2 + 1110^2 .

It is not an unprimeable number, because it can be changed into a prime (5401861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25867 + ... + 26074.

Almost surely, 2^5401864 is an apocalyptic number.

It is an amenable number.

5401864 is an abundant number, since it is smaller than the sum of its proper divisors (5505956).

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

5401864 is a wasteful number, since it uses less digits than its factorization.

5401864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51960 (or 51956 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 5401864 is about 2324.1910420617. The cubic root of 5401864 is about 175.4612485226.

The spelling of 5401864 in words is "five million, four hundred one thousand, eight hundred sixty-four".