29913400 has 48 divisors (see below), whose sum is σ = 75876840. Its totient is φ = 10876800.

The previous prime is 29913371. The next prime is 29913431. The reversal of 29913400 is 431992.

It is a happy number.

It is a super-2 number, since 2×29913400² = 1789622999120000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 4599 + ... + 8998.

Almost surely, 2^29913400 is an apocalyptic number.

29913400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29913400 is an abundant number, since it is smaller than the sum of its proper divisors (45963440).

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

29913400 is a wasteful number, since it uses less digits than its factorization.

29913400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624 (or 13615 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 29913400 is about 5469.3143994472. The cubic root of 29913400 is about 310.4239776266.

The spelling of 29913400 in words is "twenty-nine million, nine hundred thirteen thousand, four hundred".