5400397 has 8 divisors (see below), whose sum is σ = 5588352. Its totient is φ = 5215200.

The previous prime is 5400359. The next prime is 5400419. The reversal of 5400397 is 7930045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-5400397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3772 + ... + 5002.

It is an arithmetic number, because the mean of its divisors is an integer number (698544).

Almost surely, 2^5400397 is an apocalyptic number.

It is an amenable number.

5400397 is a deficient number, since it is larger than the sum of its proper divisors (187955).

5400397 is a wasteful number, since it uses less digits than its factorization.

5400397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 5400397 is about 2323.8754269539. The cubic root of 5400397 is about 175.4453635765.

The spelling of 5400397 in words is "five million, four hundred thousand, three hundred ninety-seven".