1395470620 has 12 divisors (see below), whose sum is σ = 2930488344. Its totient is φ = 558188240.

The previous prime is 1395470603. The next prime is 1395470621. The reversal of 1395470620 is 260745931.

It is a self number, because there is not a number n which added to its sum of digits gives 1395470620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395470621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34886746 + ... + 34886785.

It is an arithmetic number, because the mean of its divisors is an integer number (244207362).

Almost surely, 2^1395470620 is an apocalyptic number.

1395470620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1395470620 is an abundant number, since it is smaller than the sum of its proper divisors (1535017724).

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

1395470620 is a wasteful number, since it uses less digits than its factorization.

1395470620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69773540 (or 69773538 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1395470620 is about 37355.9984473712. The cubic root of 1395470620 is about 1117.4812179144.

The spelling of 1395470620 in words is "one billion, three hundred ninety-five million, four hundred seventy thousand, six hundred twenty".