4279632 has 80 divisors (see below), whose sum is σ = 12951552. Its totient is φ = 1192320.

The previous prime is 4279619. The next prime is 4279637. The reversal of 4279632 is 2369724.

4279632 = 229² + 230² + ... + 291².

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (18144) is a multiple of the sum of its prime factors (336).

It is a junction number, because it is equal to n+sod(n) for n = 4279593 and 4279602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4279637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15657 + ... + 15927.

Almost surely, 2^4279632 is an apocalyptic number.

4279632 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4279632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6475776).

4279632 is an abundant number, since it is smaller than the sum of its proper divisors (8671920).

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

4279632 is a wasteful number, since it uses less digits than its factorization.

4279632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 330 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 4279632 is about 2068.7271448889. The cubic root of 4279632 is about 162.3561741205.

The spelling of 4279632 in words is "four million, two hundred seventy-nine thousand, six hundred thirty-two".