1620415034 has 16 divisors (see below), whose sum is σ = 2784280128. Its totient is φ = 692857152.

The previous prime is 1620415031. The next prime is 1620415051. The reversal of 1620415034 is 4305140261.

It is a junction number, because it is equal to n+sod(n) for n = 1620414994 and 1620415012.

It is not an unprimeable number, because it can be changed into a prime (1620415031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127592 + ... + 139715.

It is an arithmetic number, because the mean of its divisors is an integer number (174017508).

Almost surely, 2^1620415034 is an apocalyptic number.

1620415034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1620415034 is a deficient number, since it is larger than the sum of its proper divisors (1163865094).

1620415034 is a wasteful number, since it uses less digits than its factorization.

1620415034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267749.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1620415034 is about 40254.3790661339. The cubic root of 1620415034 is about 1174.5605802791.

Adding to 1620415034 its reverse (4305140261), we get a palindrome (5925555295).

The spelling of 1620415034 in words is "one billion, six hundred twenty million, four hundred fifteen thousand, thirty-four".