894427429 has 6 divisors (see below), whose sum is σ = 1040456454. Its totient is φ = 766652040.

The previous prime is 894427393. The next prime is 894427439. The reversal of 894427429 is 924724498.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 858607204 + 35820225 = 29302^2 + 5985^2 .

It is not a de Polignac number, because 894427429 - 2⁷ = 894427301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 18253621 = 894427429 / (8 + 9 + 4 + 4 + 2 + 7 + 4 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894427439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9126762 + ... + 9126859.

It is an arithmetic number, because the mean of its divisors is an integer number (173409409).

Almost surely, 2^894427429 is an apocalyptic number.

It is an amenable number.

894427429 is a deficient number, since it is larger than the sum of its proper divisors (146029025).

894427429 is a wasteful number, since it uses less digits than its factorization.

894427429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18253635 (or 18253628 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 894427429 is about 29906.9796034304. The cubic root of 894427429 is about 963.4925694583.

The spelling of 894427429 in words is "eight hundred ninety-four million, four hundred twenty-seven thousand, four hundred twenty-nine".