39249894 has 16 divisors (see below), whose sum is σ = 78955632. Its totient is φ = 13007328.

The previous prime is 39249893. The next prime is 39249929. The reversal of 39249894 is 49894293.

It is a super-2 number, since 2×39249894² = 3081108358022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39249893) 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, 17869 + ... + 19944.

It is an arithmetic number, because the mean of its divisors is an integer number (4934727).

Almost surely, 2^39249894 is an apocalyptic number.

39249894 is an abundant number, since it is smaller than the sum of its proper divisors (39705738).

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

39249894 is a wasteful number, since it uses less digits than its factorization.

39249894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37991.

The product of its digits is 559872, while the sum is 48.

The square root of 39249894 is about 6264.9735833441. The cubic root of 39249894 is about 339.8439133607.

The spelling of 39249894 in words is "thirty-nine million, two hundred forty-nine thousand, eight hundred ninety-four".