1386420510 has 16 divisors (see below), whose sum is σ = 3327409296. Its totient is φ = 369712128.

The previous prime is 1386420509. The next prime is 1386420517. The reversal of 1386420510 is 150246831.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 46214017 = 1386420510 / (1 + 3 + 8 + 6 + 4 + 2 + 0 + 5 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386420517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23106979 + ... + 23107038.

It is an arithmetic number, because the mean of its divisors is an integer number (207963081).

Almost surely, 2^1386420510 is an apocalyptic number.

1386420510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1386420510 is an abundant number, since it is smaller than the sum of its proper divisors (1940988786).

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

1386420510 is a wasteful number, since it uses less digits than its factorization.

1386420510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46214027.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1386420510 is about 37234.6681199121. The cubic root of 1386420510 is about 1115.0602258553.

The spelling of 1386420510 in words is "one billion, three hundred eighty-six million, four hundred twenty thousand, five hundred ten".