29287420 has 12 divisors (see below), whose sum is σ = 61503624. Its totient is φ = 11714960.

The previous prime is 29287411. The next prime is 29287451. The reversal of 29287420 is 2478292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732166 + ... + 732205.

It is an arithmetic number, because the mean of its divisors is an integer number (5125302).

Almost surely, 2^29287420 is an apocalyptic number.

29287420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29287420 is an abundant number, since it is smaller than the sum of its proper divisors (32216204).

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

29287420 is a wasteful number, since it uses less digits than its factorization.

29287420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464380 (or 1464378 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 29287420 is about 5411.7852876846. The cubic root of 29287420 is about 308.2433422953.

The spelling of 29287420 in words is "twenty-nine million, two hundred eighty-seven thousand, four hundred twenty".