400734111 has 8 divisors (see below), whose sum is σ = 562433920. Its totient is φ = 253095192.

The previous prime is 400734097. The next prime is 400734121. The reversal of 400734111 is 111437004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-400734111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400734121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3515155 + ... + 3515268.

It is an arithmetic number, because the mean of its divisors is an integer number (70304240).

Almost surely, 2^400734111 is an apocalyptic number.

400734111 is a deficient number, since it is larger than the sum of its proper divisors (161699809).

400734111 is a wasteful number, since it uses less digits than its factorization.

400734111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030445.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 400734111 is about 20018.3443621095. The cubic root of 400734111 is about 737.2567722676.

The spelling of 400734111 in words is "four hundred million, seven hundred thirty-four thousand, one hundred eleven".