429774361 has 3 divisors (see below), whose sum is σ = 429795093. Its totient is φ = 429753630.

The previous prime is 429774347. The next prime is 429774377. The reversal of 429774361 is 163477924.

The square root of 429774361 is 20731.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 429774361 - 2⁵ = 429774329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429772361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10366 + ... + 31096.

It is an arithmetic number, because the mean of its divisors is an integer number (143265031).

Almost surely, 2^429774361 is an apocalyptic number.

429774361 is the 20731-st square number.

429774361 is the 10366-th centered octagonal number.

It is an amenable number.

429774361 is a deficient number, since it is larger than the sum of its proper divisors (20732).

429774361 is an frugal number, since it uses more digits than its factorization.

429774361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41462 (or 20731 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The cubic root of 429774361 is about 754.6521860355.

Multiplying 429774361 by its product of digits (254016), we get a square (109169564083776 = 10448424²).

The spelling of 429774361 in words is "four hundred twenty-nine million, seven hundred seventy-four thousand, three hundred sixty-one".