2154734 has 8 divisors (see below), whose sum is σ = 3264408. Its totient is φ = 1066600.

The previous prime is 2154731. The next prime is 2154743. The reversal of 2154734 is 4374512.

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

It is a super-2 number, since 2×2154734² = 9285757221512, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5132 + ... + 5535.

It is an arithmetic number, because the mean of its divisors is an integer number (408051).

2^2154734 is an apocalyptic number.

2154734 is a deficient number, since it is larger than the sum of its proper divisors (1109674).

2154734 is a wasteful number, since it uses less digits than its factorization.

2154734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770.

The product of its digits is 3360, while the sum is 26.

The square root of 2154734 is about 1467.9012228348. The cubic root of 2154734 is about 129.1609472783.

The spelling of 2154734 in words is "two million, one hundred fifty-four thousand, seven hundred thirty-four".