620353214 has 32 divisors (see below), whose sum is σ = 1039261440. Its totient is φ = 275788800.

The previous prime is 620353213. The next prime is 620353259. The reversal of 620353214 is 412353026.

It is a super-2 number, since 2×620353214² = 769676220240259592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620353213) by changing a digit.

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, 182894 + ... + 186254.

It is an arithmetic number, because the mean of its divisors is an integer number (32476920).

Almost surely, 2^620353214 is an apocalyptic number.

620353214 is a deficient number, since it is larger than the sum of its proper divisors (418908226).

620353214 is a wasteful number, since it uses less digits than its factorization.

620353214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 620353214 is about 24906.8908938872. The cubic root of 620353214 is about 852.8637956782.

The spelling of 620353214 in words is "six hundred twenty million, three hundred fifty-three thousand, two hundred fourteen".