620838548 has 12 divisors (see below), whose sum is σ = 1185237312. Its totient is φ = 282199320.

The previous prime is 620838529. The next prime is 620838551. The reversal of 620838548 is 845838026.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 14109967 = 620838548 / (6 + 2 + 0 + 8 + 3 + 8 + 5 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 620838499 and 620838508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7054940 + ... + 7055027.

It is an arithmetic number, because the mean of its divisors is an integer number (98769776).

Almost surely, 2^620838548 is an apocalyptic number.

620838548 is the 13319-th centered heptagonal number.

It is an amenable number.

620838548 is a deficient number, since it is larger than the sum of its proper divisors (564398764).

620838548 is a wasteful number, since it uses less digits than its factorization.

620838548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14109982 (or 14109980 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 620838548 is about 24916.6319553827. The cubic root of 620838548 is about 853.0861506691.

The spelling of 620838548 in words is "six hundred twenty million, eight hundred thirty-eight thousand, five hundred forty-eight".