514913646 has 64 divisors (see below), whose sum is σ = 1178065728. Its totient is φ = 148635648.

The previous prime is 514913617. The next prime is 514913677. The reversal of 514913646 is 646319415.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 764766 + ... + 765438.

It is an arithmetic number, because the mean of its divisors is an integer number (18407277).

Almost surely, 2^514913646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514913646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589032864).

514913646 is an abundant number, since it is smaller than the sum of its proper divisors (663152082).

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

514913646 is a wasteful number, since it uses less digits than its factorization.

514913646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285.

The product of its digits is 77760, while the sum is 39.

The square root of 514913646 is about 22691.7087501140. The cubic root of 514913646 is about 801.5146544260.

The spelling of 514913646 in words is "five hundred fourteen million, nine hundred thirteen thousand, six hundred forty-six".