420299436 has 24 divisors (see below), whose sum is σ = 1014516720. Its totient is φ = 135268672.

The previous prime is 420299419. The next prime is 420299461. The reversal of 420299436 is 634992024.

It is a junction number, because it is equal to n+sod(n) for n = 420299394 and 420299403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603531 + ... + 604226.

It is an arithmetic number, because the mean of its divisors is an integer number (42271530).

Almost surely, 2^420299436 is an apocalyptic number.

It is an amenable number.

420299436 is an abundant number, since it is smaller than the sum of its proper divisors (594217284).

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

420299436 is a wasteful number, since it uses less digits than its factorization.

420299436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207793 (or 1207791 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 420299436 is about 20501.2057206399. The cubic root of 420299436 is about 749.0651677134.

The spelling of 420299436 in words is "four hundred twenty million, two hundred ninety-nine thousand, four hundred thirty-six".