5457340 has 48 divisors (see below), whose sum is σ = 13874112. Its totient is φ = 1760256.

The previous prime is 5457337. The next prime is 5457341. The reversal of 5457340 is 437545.

5457340 = T₃₁₅ + T₃₁₆ + ... + T₃₉₉.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 5457299 and 5457308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457341) 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, 1234 + ... + 3526.

It is an arithmetic number, because the mean of its divisors is an integer number (289044).

Almost surely, 2^5457340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5457340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6937056).

5457340 is an abundant number, since it is smaller than the sum of its proper divisors (8416772).

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

5457340 is a wasteful number, since it uses less digits than its factorization.

5457340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 5457340 is about 2336.0950323135. The cubic root of 5457340 is about 176.0598539539.

The spelling of 5457340 in words is "five million, four hundred fifty-seven thousand, three hundred forty".