435491940 has 96 divisors (see below), whose sum is σ = 1317778560. Its totient is φ = 106822656.

The previous prime is 435491933. The next prime is 435491971. The reversal of 435491940 is 49194534.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269856 + ... + 271464.

It is an arithmetic number, because the mean of its divisors is an integer number (13726860).

Almost surely, 2^435491940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 435491940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658889280).

435491940 is an abundant number, since it is smaller than the sum of its proper divisors (882286620).

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

435491940 is a wasteful number, since it uses less digits than its factorization.

435491940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 435491940 is about 20868.4436410577. The cubic root of 435491940 is about 757.9840037653.

The spelling of 435491940 in words is "four hundred thirty-five million, four hundred ninety-one thousand, nine hundred forty".