620190 has 32 divisors (see below), whose sum is σ = 1654560. Its totient is φ = 165312.

The previous prime is 620183. The next prime is 620197. The reversal of 620190 is 91026.

It is an interprime number because it is at equal distance from previous prime (620183) and next prime (620197).

It is a super-2 number, since 2×620190² = 769271272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620197) 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, 879 + ... + 1418.

It is an arithmetic number, because the mean of its divisors is an integer number (51705).

2⁶²⁰¹⁹⁰ is an apocalyptic number.

620190 is an abundant number, since it is smaller than the sum of its proper divisors (1034370).

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

620190 is a wasteful number, since it uses less digits than its factorization.

620190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 620190 is about 787.5214282799. The cubic root of 620190 is about 85.2788993389.

The spelling of 620190 in words is "six hundred twenty thousand, one hundred ninety".