787432 has 8 divisors (see below), whose sum is σ = 1476450. Its totient is φ = 393712.

The previous prime is 787429. The next prime is 787433. The reversal of 787432 is 234787.

It can be written as a sum of positive squares in only one way, i.e., 599076 + 188356 = 774^2 + 434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 787394 and 787403.

It is not an unprimeable number, because it can be changed into a prime (787433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49207 + ... + 49222.

2⁷⁸⁷⁴³² is an apocalyptic number.

It is an amenable number.

787432 is a deficient number, since it is larger than the sum of its proper divisors (689018).

787432 is a wasteful number, since it uses less digits than its factorization.

787432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98435 (or 98431 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 787432 is about 887.3736529783. The cubic root of 787432 is about 92.3430794522.

The spelling of 787432 in words is "seven hundred eighty-seven thousand, four hundred thirty-two".