5420378 has 4 divisors (see below), whose sum is σ = 8130570. Its totient is φ = 2710188.

The previous prime is 5420347. The next prime is 5420413. The reversal of 5420378 is 8730245.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5121169 + 299209 = 2263^2 + 547^2 .

It is a super-4 number, since 4×5420378⁴ (a number of 28 digits) contains 4444 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5420378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1355093 + ... + 1355096.

Almost surely, 2^5420378 is an apocalyptic number.

5420378 is a deficient number, since it is larger than the sum of its proper divisors (2710192).

5420378 is a wasteful number, since it uses less digits than its factorization.

5420378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710191.

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

The square root of 5420378 is about 2328.1705264005. The cubic root of 5420378 is about 175.6614748016.

The spelling of 5420378 in words is "five million, four hundred twenty thousand, three hundred seventy-eight".