5405972 has 36 divisors (see below), whose sum is σ = 11190816. Its totient is φ = 2265120.

The previous prime is 5405971. The next prime is 5405999. The reversal of 5405972 is 2795045.

5405972 = 119² + 120² + ... + 261².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7073 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (310856).

Almost surely, 2^5405972 is an apocalyptic number.

5405972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5405972 is an abundant number, since it is smaller than the sum of its proper divisors (5784844).

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

5405972 is a wasteful number, since it uses less digits than its factorization.

5405972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 5405972 is about 2325.0746224584. The cubic root of 5405972 is about 175.5057154060.

The spelling of 5405972 in words is "five million, four hundred five thousand, nine hundred seventy-two".