694432420 has 24 divisors (see below), whose sum is σ = 1590882048. Its totient is φ = 252520800.

The previous prime is 694432411. The next prime is 694432423. The reversal of 694432420 is 24234496.

It is not an unprimeable number, because it can be changed into a prime (694432423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578036 + ... + 1578475.

It is an arithmetic number, because the mean of its divisors is an integer number (66286752).

Almost surely, 2^694432420 is an apocalyptic number.

It is an amenable number.

694432420 is an abundant number, since it is smaller than the sum of its proper divisors (896449628).

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

694432420 is a wasteful number, since it uses less digits than its factorization.

694432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156531 (or 3156529 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 694432420 is about 26352.0856859566. The cubic root of 694432420 is about 885.5436964711.

The spelling of 694432420 in words is "six hundred ninety-four million, four hundred thirty-two thousand, four hundred twenty".