385456620 has 24 divisors (see below), whose sum is σ = 1079278704. Its totient is φ = 102788416.

The previous prime is 385456607. The next prime is 385456633. The reversal of 385456620 is 26654583.

It is an interprime number because it is at equal distance from previous prime (385456607) and next prime (385456633).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3212079 + ... + 3212198.

It is an arithmetic number, because the mean of its divisors is an integer number (44969946).

Almost surely, 2^385456620 is an apocalyptic number.

385456620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385456620 is an abundant number, since it is smaller than the sum of its proper divisors (693822084).

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

385456620 is a wasteful number, since it uses less digits than its factorization.

385456620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424289 (or 6424287 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 385456620 is about 19633.0491773438. The cubic root of 385456620 is about 727.7661241047.

The spelling of 385456620 in words is "three hundred eighty-five million, four hundred fifty-six thousand, six hundred twenty".