434157660 has 72 divisors (see below), whose sum is σ = 1374216480. Its totient is φ = 110740608.

The previous prime is 434157653. The next prime is 434157677. The reversal of 434157660 is 66751434.

It is a happy number.

434157660 is a `hidden beast` number, since 43 + 41 + 576 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48295 + ... + 56574.

It is an arithmetic number, because the mean of its divisors is an integer number (19086340).

Almost surely, 2^434157660 is an apocalyptic number.

It is an amenable number.

434157660 is an abundant number, since it is smaller than the sum of its proper divisors (940058820).

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

434157660 is a wasteful number, since it uses less digits than its factorization.

434157660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104907 (or 104902 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 434157660 is about 20836.4502734991. The cubic root of 434157660 is about 757.2090965459.

It can be divided in two parts, 4341 and 57660, that added together give a square (62001 = 249²).

The spelling of 434157660 in words is "four hundred thirty-four million, one hundred fifty-seven thousand, six hundred sixty".