620623514 has 32 divisors (see below), whose sum is σ = 1089504000. Its totient is φ = 265035120.

The previous prime is 620623499. The next prime is 620623529. The reversal of 620623514 is 415326026.

It is an interprime number because it is at equal distance from previous prime (620623499) and next prime (620623529).

It is a super-2 number, since 2×620623514² = 770347092259416392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211892 + ... + 214800.

It is an arithmetic number, because the mean of its divisors is an integer number (34047000).

Almost surely, 2^620623514 is an apocalyptic number.

620623514 is a deficient number, since it is larger than the sum of its proper divisors (468880486).

620623514 is a wasteful number, since it uses less digits than its factorization.

620623514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 620623514 is about 24912.3165121191. The cubic root of 620623514 is about 852.9876474909.

The spelling of 620623514 in words is "six hundred twenty million, six hundred twenty-three thousand, five hundred fourteen".