29426940 has 36 divisors (see below), whose sum is σ = 89262264. Its totient is φ = 7847136.

The previous prime is 29426927. The next prime is 29426941. The reversal of 29426940 is 4962492.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 29426895 and 29426904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29426941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81562 + ... + 81921.

Almost surely, 2^29426940 is an apocalyptic number.

29426940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29426940 is an abundant number, since it is smaller than the sum of its proper divisors (59835324).

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

29426940 is a wasteful number, since it uses less digits than its factorization.

29426940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163498 (or 163493 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 29426940 is about 5424.6603580316. The cubic root of 29426940 is about 308.7320390367.

The spelling of 29426940 in words is "twenty-nine million, four hundred twenty-six thousand, nine hundred forty".